Kolo, Master Wizard

Kicker {u}{r} (You may pay an additional {u}{r} as
you cast this spell.)
Hexproof, prowess
Kolo, Master Wizard enters the battlefield with a
+1/+1 counter on it if it was kicked.
Instant and sorcery spells you cast cost {x} less to
cast, where X is Kolo, Master Wizard's power.