Knight of Cliffhaven is a common Creature — Kor Knight card from The List (PLST), collector number DDP-5. Current market price: $0.24, TCGplayer market prices via Scryfall.
Level up {3} ({3}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-3 2/3 Flying LEVEL 4+ 4/4 Flying, vigilance