Talus Paladin is a rare Creature — Human Knight Ally card from Worldwake (WWK), collector number 21. Current market price: $1.65 (foil $14.93), TCGplayer market prices via Scryfall.
Whenever this creature or another Ally you control enters, you may have Allies you control gain lifelink until end of turn, and you may put a +1/+1 counter on this creature.