Spirit Of Hell-Sonic.Exe

+1: Restore 3 health to an EXE zombie token.
-X: Destroy target creature. Create an EXE zombie token with X*2 power and toughness.
-20: Deal 10 damage. Add 3 EXE tokens per turn. At 10 EXE tokens deal 1 damage per 2 EXE tokens. Do not stop adding tokens or dealing damage.