Pridemalkin is a common Creature — Cat card from Core Set 2021 (M21), collector number 196. Current market price: $0.27 (foil $0.47), TCGplayer market prices via Scryfall.
When this creature enters, put a +1/+1 counter on target creature you control. Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)