Nivix Cyclops is a common Creature — Cyclops card from Duel Decks: Mind vs. Might (DDS), collector number 24. Current market price: $0.11, TCGplayer market prices via Scryfall.
Defender Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.