Gatekeeper of Malakir is a rare Creature — Vampire Warrior card from Friday Night Magic 2010 (F10), collector number 11. Current market price: — (foil $2.75), TCGplayer market prices via Scryfall.
Kicker {B} (You may pay an additional {B} as you cast this spell.) When this creature enters, if it was kicked, target player sacrifices a creature of their choice.