Knight of the Ebon Legion is a rare Creature — Vampire Knight card from Core Set 2020 (M20), collector number 105. Current market price: $1.58 (foil $5.47), TCGplayer market prices via Scryfall.
{2}{B}: This creature gets +3/+3 and gains deathtouch until end of turn. At the beginning of your end step, if a player lost 4 or more life this turn, put a +1/+1 counter on this creature. (Damage causes loss of life.)