Bane of the Mirran

Multikicker Pay 2 life or pay {1} (You may pay an additional 2 life or {1} any number of times as you
cast this spell.)
Put a +1/+1 counter on Bane of the Mirran for
each time it was kicked.
When Bane of the Mirran leaves the battlefield
gain 2 life for each time it was kicked.