The Crowd Goes Wild is a uncommon Sorcery card from Battlebond (BBD), collector number 68. Current market price: $0.16 (foil $0.75), TCGplayer market prices via Scryfall.
Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Support X. (Put a +1/+1 counter on each of up to X target creatures.) Each creature with a +1/+1 counter on it gains trample until end of turn.