Baylen, the Haymaker is a rare Legendary Creature — Rabbit Warrior card from Bloomburrow Promos (PBLB), collector number 205p. Current market price: $1.19 (foil $2.08), TCGplayer market prices via Scryfall.
Tap two untapped tokens you control: Add one mana of any color. Tap three untapped tokens you control: Draw a card. Tap four untapped tokens you control: Put three +1/+1 counters on Baylen. It gains trample until end of turn.