Risen Executioner [Dragons of Tarkir]

$2.20
Mythic
Set: Dragons of Tarkir
Type: Creature — Zombie Warrior
Cost: {2}{B}{B}
Risen Executioner can't block. Other Zombie creatures you control get +1/+1. You may cast Risen Executioner from your graveyard if you pay {1} more to cast it for each other creature card in your graveyard.