Merry Bards is a common Creature — Human Bard card from Wilds of Eldraine (WOE), collector number 140. Current market price: $0.14 (foil $0.18), TCGplayer market prices via Scryfall.
When this creature enters, you may pay {1}. When you do, create a Young Hero Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it.")