Grunn, the Lonely King

Grunn, the Lonely King

Legendary Creature - Ape Warrior | Power/Toughness: 5 / 5 (CMC 6)
Kicker (You may pay an additional as you cast this spell.)
If Grunn, the Lonely King was kicked, it enters the battlefield with five +1/+1 counters on it.
Whenever Grunn attacks alone, double its power and toughness until end of turn.