Lavastone Bullets

You may allow target opponent to put 1 Taint
counter on a permanent on the battlefield. If
you do, creatures damaged by Lavastone Bullets
that would go to the graveyard this turn are
exiled instead.
You gain {e}{e}{e}{e}.
{e}: Lavastone Bullets does 1 damage to any
target. You may choose a new target for each
energy you spend.