Knight-Captain of Eos is a rare Creature — Human Knight card from Shards of Alara (ALA), collector number 17. Current market price: $2.29 (foil $13.45), TCGplayer market prices via Scryfall.
When this creature enters, create two 1/1 white Soldier creature tokens. {W}, Sacrifice a Soldier: Prevent all combat damage that would be dealt this turn.