yugioh mermaid cards Toon Yu-Gi-Oh! Pin Aqua/Toon/Effect Mermaid Knight Card Profile :

To help in that regard, it'd probably need to have an activation cost that could get it off the field, much like how Stardust Dragon Tributes itself to activate

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Card Name Illuna, Apex of Wishes Alternative Name Mana Cost Type Legendary Creature Beast Elemental Dinosaur Rarity Mythic Rare rules Text Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own

I am not counting the three cards from Dominiaria either.

Locking out artifact mana, Chromatic Spheres, Expedition Maps, Engineered Explosives, Aether Vial, equipment, Oblivion Stone, and more, Collector Ouphe really is just a 2/2 Stony Silence

That said, Wizards could repurpose the mechanic as incubate Phyrexian X like they did with amass zombies/amass orcs