Fall of the Thran is a rare Enchantment — Saga card from Dominaria (DOM), collector number 18. Current market price: $0.31 (foil $1.13), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Destroy all lands. II, III — Each player returns two land cards from their graveyard to the battlefield.