Part with the Soul

Frantic (As you cast this spell, you may exile up to
X cards from the top of your library, where X is the
amount of generic mana in this spell's mana value.
This spell costs {1} less for each card exiled this way.)
Exile target creature. Its owner distributes X
+1/+1 counters among any number of creatures
they control, where X is the number of cards
exiled by this spell's frantic ability.