Kavu Primarch [Modern Masters 2015]

Kicker 4 (You may pay an additional 4 as you cast this spell.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.)
If Kavu Primarch was kicked, it enters the battlefield with four +1/+1 counters on it.