Holy Spirit, Fill Thee

Bestow {0}
{s}Multikicker {x} (You may pay an additional {x} any number of times as you cast this spell.)
As this enters the battlefield, add +0/+X
If you haven't paid the Kicker cost, this isn't a creature.
Enchanted creature gains "{t}; This gains +1/+1
and Hexproof until end of turn."