Description:
Cannot be used as Synchro Material. This card’s name becomes “Des Frog” while on the field. If this card is in your GY: You can banish 1 “Frog” monster from your GY; Special Summon this card.

Description:
You can Special Summon this card (from your hand) by discarding 1 other WATER monster. When this card is Summoned: You can send 1 Level 2 or lower WATER Aqua monster from your Deck or face-up field to the GY. Once per turn: You can return 1 monster you control to the hand; you can Normal Summon 1 “Frog” monster during your Main Phase this turn, except “Swap Frog”, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)

Description:
Neither player can Special Summon monsters, except WATER monsters.

Description:
This card’s name becomes “Des Frog” while on the field. Monsters your opponent controls cannot target monsters for attacks, except this one. When this card is sent from the field to the GY: You can add 1 “Frog” monster from your Deck or GY to your hand, except “Dupe Frog”.

Description:
Target 1 banished card; return it to the GY. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Description:
You take no battle damage this turn. Your monsters cannot be destroyed by battle this turn.

Description:
Neither player can Summon more than two times per turn. (Negated Summons and cards/effects that would Summon do not count toward this limit.)

Description:
Discard 1 “Paleozoic” card, then draw 2 cards. Once per Chain, when a Trap Card is activated while this card is in your Graveyard: Special Summon this card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap Card.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Description:
When your opponent activates a monster effect in their hand or GY, or when your opponent’s banished monster effect is activated: Negate its effect, and if you do, inflict 2000 damage to your opponent.

Description:
Target 1 Spell/Trap Card on the field; destroy it. Once per Chain, when a Trap Card is activated while this card is in your Graveyard: Special Summon this card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap Card.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Description:
Activate by targeting 1 face-up monster your opponent controls; take control of that monster. While you control that monster, it cannot attack or activate effects. When that monster leaves the field, destroy this card.

Description:
Target 1 face-up card on the field; discard 1 card, and if you do, banish it. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Description:
Each player can only control 1 Attribute of monster. Send all other face-up monsters they control to the GY.

Description:
Both players must Set Spell Cards before activating them, and cannot activate them until their next turn after Setting them.

Description:
Target 1 face-up Special Summoned monster on the field; negate its effects, also its original ATK is halved. If a monster is Special Summoned from your opponent’s Extra Deck, while this card is in your GY (except during the Damage Step): You can Set this card, but banish it when it leaves the field.

Description:
Banish 1 Normal Trap from your Deck, except “Trap Trick”, and Set 1 card with the same name directly from your Deck, also it can be activated this turn. You can only activate 1 Trap Card for the rest of this turn after this card resolves. You can only activate 1 “Trap Trick” per turn.

Description:
Target 1 monster on the field; return that target to the hand.

Description:
Target 1 face-up monster your opponent controls; change it to face-down Defense Position. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Description:
2 monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of “Knightmare Phoenix” once per turn. Co-linked monsters you control cannot be destroyed by battle.

Description:
2 “Paleozoic” monsters
Unaffected by other monsters’ effects. You can only use each of the following effects of “Paleozoic Cambroraster” once per turn. You can target 1 Set card in the Spell & Trap Zone; send it to the GY, and if you do, Set 1 “Paleozoic” Trap directly from your Deck. It can be activated this turn. If a Set card(s) you control would be destroyed by card effect, you can banish this card from your field or GY instead.

Description:
2 Level 2 monsters
This card cannot be destroyed by battle while it has Xyz Material. At the end of the Damage Step, if this card battled an opponent’s monster: You can detach 1 Xyz Material from this card; return the opponent’s monster from the field to the hand.

Description:
2 Level 2 monsters
This card is unaffected by other monsters’ effects. You can activate “Paleozoic” Trap Cards from your hand. If this card has a Trap Card as Xyz Material: You can detach 1 Xyz Material from this card; add 1 “Paleozoic” Trap Card from your Deck to your hand. You can only use this effect of “Paleozoic Opabinia” once per turn.

Description:
2+ monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; return it to the Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of “Knightmare Unicorn” once per turn. While any co-linked “Knightmare” monsters are on the field, for your normal draw in your Draw Phase, draw 1 card for each different card name among those co-linked “Knightmare” monsters, instead of drawing just 1 card.

Description:
3 or more Level 2 monsters
This card is unaffected by other monsters’ effects. Once per turn, if a Trap Card(s) is sent from your Spell & Trap Zone to the Graveyard (except during the Damage Step): You can excavate the top card of your Deck, and if it is a Trap Card, add it to your hand. Otherwise, send it to the Graveyard. Once per turn, during either player’s turn, if this card has a Trap Card as Xyz Material: You can detach 1 Xyz Material from this card, then target 1 card on the field; destroy it.

Description:
2 WATER monsters
All WATER monsters on the field gain 500 ATK and DEF, also all FIRE monsters on the field lose 400 ATK and DEF. If this card is destroyed by battle or card effect: You can target 1 WATER monster in your GY; add it to your hand. You can only use this effect of “Mistar Boy” once per turn.

Description:
2 Xyz Monsters with the same Rank, except “Number” monsters
(This card’s original Rank is always treated as 1.)
Cannot be destroyed by battle, and neither player takes any battle damage from attacks involving this card. At the end of the Damage Step, if this card battled an opponent’s monster: You can take control of that opponent’s monster until the end of the Battle Phase. If this face-up card on the field would be destroyed by a card effect, you can detach 1 material from this card instead.

Description:
2 non-Link Monsters
During your opponent’s Main Phase, you can (Quick Effect): Immediately after this effect resolves, Link Summon 1 Link Monster using materials you control, including this card. You can only use this effect of “I:P Masquerena” once per turn. A Link Monster that used this card as material cannot be destroyed by your opponent’s card effects.

Description:
2 WATER monsters
You can target 1 WATER monster with 1500 or less ATK in your GY; Special Summon it to your zone this card points to, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. If this card is sent from the field to the GY: You can target 1 “Marincess” card in your GY, except “Marincess Coral Anemone”; add it to your hand. You can only use each effect of “Marincess Coral Anemone” once per turn.

Description:
2 Level 2 monsters
While this card has an Xyz Material attached that was originally WATER, it cannot be destroyed by battle. Once per turn, during either player’s turn: You can detach 1 Xyz Material from this card, then target 1 Rank 4 or lower Xyz Monster you control; its ATK and DEF each become double its original ATK and DEF until the end of this turn.

Description:
2 Level 2 Aqua monsters
Once per turn, during the Standby Phase: You can detach 1 material from this card; Special Summon 1 “Frog” monster from your Deck. Once per turn, when your opponent activates a Spell/Trap Card, or monster effect (Quick Effect): You can send 1 Aqua monster from your hand or face-up field to the GY; negate the activation, and if you do, destroy that card, then you can Set it to your field. If this card is sent to the GY: You can target 1 WATER monster in your GY; add it to your hand.

Description:
When a monster(s) would be Special Summoned, OR a monster effect is activated: Pay 1500 LP; negate the Summon or activation, and if you do, destroy that card.

Description:
When a monster(s) would be Summoned, OR a Spell/Trap Card is activated: Pay half your LP; negate the Summon or activation, and if you do, destroy that card.

Description:
When a monster(s) would be Summoned, OR when a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster(s): Pay 2000 LP; negate the Summon or activation, and if you do, destroy it.

Description:
2 monsters
Once while face-up on the field, if this card is co-linked: You can target 1 monster your opponent controls; return it to the hand. You can only use this effect of “Security Dragon” once per turn.