Gate to the Aether [Mirrodin] SPA Oleaje de marea Abilities your opponents activate that

Abilities your opponents activate that target a Merfolk you control cost {2} more to activate

Set: Commander 2018 Type: Creature — Merfolk Rogue Rare Cost: {1}{G/U}{G/U} Islandwalk (This creature can't be blocked as long as defending player controls an Island

I can do better than that

Set: Portal Three Kingdoms Type: Creature — Snake Common Cost: {2}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

exile a permanent you control or a card from your hand or graveyard

Gate to the Aether [Mirrodin] SPA Oleaje de marea Abilities your opponents activate thatSet: Mirrodin Type: Artifact Rare Cost: {6} At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.