Gaea's Will is a rare Sorcery card from Modern Horizons 2 Promos (PMH2), collector number 162s. Current market price: — (foil $0.51), TCGplayer market prices via Scryfall.
Suspend 4—{G} Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead.