Faerie Bladecrafter is a rare Creature — Faerie Rogue card from Wilds of Eldraine Commander (WOC), collector number 50. Current market price: $5.09, TCGplayer market prices via Scryfall.
Flying Whenever one or more Faeries you control deal combat damage to a player, put a +1/+1 counter on this creature. When this creature dies, each opponent loses X life and you gain X life, where X is its power.