Undercity Upheaval is a uncommon Sorcery card from March of the Machine: The Aftermath (MAT), collector number 205. Current market price: — (foil $0.36), TCGplayer market prices via Scryfall.
Undergrowth — Distribute X +1/+1 counters among any number of target creatures you control, where X is the number of creature cards in your graveyard as you cast this spell. Creatures you control gain vigilance until end of turn.