The Eldest Reborn is a uncommon Enchantment — Saga card from Dominaria (DOM), collector number 90. Current market price: $0.36 (foil $7.59), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Each opponent sacrifices a creature or planeswalker of their choice. II — Each opponent discards a card. III — Put target creature or planeswalker card from a graveyard onto the battlefield under your control.