Earthquake Dragon is a rare Creature — Elemental Dragon card from Battle for Baldur's Gate Promos (PCLB), collector number 228s. Current market price: — (foil $7.73), TCGplayer market prices via Scryfall.
This spell costs {X} less to cast, where X is the total mana value of Dragons you control. Flying, trample {2}{G}, Sacrifice a land: Return this card from your graveyard to your hand.