The Sea Devils is a rare Enchantment — Saga card from Doctor Who (WHO), collector number 108. Current market price: $0.30 (foil $0.22), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Create a 2/2 green Alien Salamander creature token with islandwalk. (It can't be blocked as long as defending player controls an Island.) III — Until end of turn, whenever a Salamander deals combat damage to a player, it deals that much damage to target creature that player controls.