Byrke, Long Ear of the Law is a mythic Legendary Creature — Rabbit Soldier card from Bloomburrow (BLB), collector number 380. Current market price: — (foil $7.22), TCGplayer market prices via Scryfall.
Vigilance When Byrke enters, put a +1/+1 counter on each of up to two target creatures. Whenever a creature you control with a +1/+1 counter on it attacks, double the number of +1/+1 counters on it.