Riftmarked Knight is a uncommon Creature — Human Rebel Knight card from Planar Chaos (PLC), collector number 14. Current market price: $0.17 (foil $1.66), TCGplayer market prices via Scryfall.
Protection from black; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Suspend 3—{1}{W}{W} When the last time counter is removed from this card while it's exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste.