Charismatic Conqueror is a rare Creature — Vampire Soldier card from The Lost Caverns of Ixalan Commander (LCC), collector number 38. Current market price: $30.50, TCGplayer market prices via Scryfall.
Vigilance Whenever an artifact or creature an opponent controls enters untapped, they may tap that permanent. If they don't, you create a 1/1 white Vampire creature token with lifelink.