Regal Leosaur
From Ikoria: Lair of Behemoths set
Regal Leosaur
Creature — Dinosaur Cat
2/2
Mutate
(If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, other creatures you control get +2/+1 until end of turn.