Acornelia, Fashionable Filcher

Whenever you cast a spell with a Squirrel in its art, you get acorn alt=%acorn>(an acorn counter). Whenever a Squirrel you control enters the battlefield or dies, you get acorn alt=%acorn>. , Pay X acorn alt=%acorn>: Target creature gets -X/-X until end of turn. , Pay X acorn alt=%acorn>: Target creature gets +X/+X until end of turn.