Ms. Bumbleflower is a mythic Legendary Creature — Rabbit Citizen card from Bloomburrow Commander (BLC), collector number 103. Current market price: — (foil $1,493.37), TCGplayer market prices via Scryfall.
Vigilance Whenever you cast a spell, target opponent draws a card. Put a +1/+1 counter on target creature. It gains flying until end of turn. If this is the second time this ability has resolved this turn, you draw two cards.