Life of the Party is a rare Creature — Elemental card from New Capenna Commander Promos (PNCC), collector number 48p. Current market price: — (foil $43.99), TCGplayer market prices via Scryfall.
First strike, trample, haste Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of creatures you control. When this creature enters, if it's not a token, each opponent creates a token that's a copy of it. The tokens are goaded for the rest of the game. (They attack each combat if able and attack a player other than you if able.)