Tishana's Tidebinder [The Lost Caverns of Ixalan Prerelease Cards]

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Creature — Merfolk Wizard Rarity: Rare Cost: {2}{U} Flash When Tishana's Tidebinder enters the battlefield, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as Tishana's Tidebinder remains on the battlefield. (Mana abilities can't be targeted.)