Centaur of Attention is a rare Creature — Centaur Performer card from Unfinity (UNF), collector number 132. Current market price: $0.14 (foil $0.22), TCGplayer market prices via Scryfall.
When this creature enters, roll five six-sided dice and store those results on it. At the beginning of combat on your turn, you may reroll any number of this creature's stored results. This creature gets +X/+X, where X is the greatest number of stored results on it of the same value.