Snog, ratchet bomb master

{2}: {ut}
{2}{t}: create a colorless artifact token named
ratchet Bomb with Tap: Put a charge counter on Ratchet Bomb. Tap, Sacrifice Ratchet Bomb:
Destroy each nonland permanent with converted
mana cost equal to the number
of charge counters on Ratchet Bomb.
{t}: all artifacts you control named ratchet
bomb get {t}: add {c}