Atomwheel Acrobats is a common Creature — Elf Performer card from Unfinity (UNF), collector number 130. Current market price: $0.16 (foil $0.23), TCGplayer market prices via Scryfall.
Whenever you roll a 1 or 2, put that many +1/+1 counters on this creature. {2}{G}: Roll a six-sided die.