Sally Pride, Lioness Leader is a rare Legendary Creature — Cat Mutant Rebel card from Teenage Mutant Ninja Turtles (TMT), collector number 225. Current market price: $0.55 (foil $0.84), TCGplayer market prices via Scryfall.
When Sally Pride enters, create X 2/2 red Mutant creature tokens, where X is the number of nontoken creatures you control. Whenever Sally Pride attacks, put a +1/+1 counter on each creature you control.