Divinity Bomb

As an additional cost to cast Divinity Bomb, remove 10 Purity counters from permanents you control.
Multikicker {w} (You may pay an additional {w} any number of times as you cast this spell.)
Exile target creature with a Blight or Corruption counter on it, you gain 3 life. If Divinity Bomb was kicked, choose another target for each time it was kicked.