Dragnipúr, Dracon's Blade

Equiped creature gets +5/+3 and has deathtouch
Whenever a creature dies, if equiped creature
dealt damage to it this turn, put a soul counter
on Dragnipur.
At the beginning of your upkeep remove a soul
counter from Dragnipur or sacrifice equiped
creature. If you cannot, you lose the game.
Equip {2}