Duergar Cave-Guard is a uncommon Creature — Dwarf Warrior card from Eventide (EVE), collector number 51. Current market price: $0.15 (foil $0.49), TCGplayer market prices via Scryfall.
Wither (This deals damage to creatures in the form of -1/-1 counters.) {R/W}: This creature gets +1/+0 until end of turn.