When Benthicore enters, create two 1/1 blue Merfolk Wizard creature tokens.Tap two untapped Merfolk you control: Untap Benthicore. It gains shroud until end of turn. (It can't be the target of spells or abilities.)
All creatures able to block Nath's Elite do so.When Nath's Elite enters, clash with an opponent. If you win, put a +1/+1 counter on Nath's Elite. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
When Colfenor's Plans enters, exile the top seven cards of your library face down.You may look at the cards exiled with Colfenor's Plans, and you may play lands and cast spells from among those cards.Skip your draw step.You can't cast more than one spell each turn.
Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.
FlyingWhen Marsh Flitter enters, create two 1/1 black Goblin Rogue creature tokens.Sacrifice a Goblin: Marsh Flitter has base power and toughness 3/3 until end of turn.
: Creatures you control get +1/+0 until end of turn. If this is the third time this ability has resolved this turn, creatures you control gain first strike until end of turn.
: Creatures you control get +1/+0 until end of turn. If this is the third time this ability has resolved this turn, creatures you control gain first strike until end of turn.
Whenever you clash, tap target creature an opponent controls. If you won, that creature doesn't untap during its controller's next untap step. (This ability triggers after the clash ends.)
Clash with an opponent, then return target creature to its owner's hand. If you win, you may put that creature on top of its owner's library instead. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
When Oblivion Ring enters, exile another target nonland permanent.When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.
Changeling (This card is every creature type.)Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)Lifelink (Damage dealt by this creature also causes you to gain that much life.)