Shatterskull Smashing // Shatterskull, the Hammer Pass (Extended Art) [Zendikar Rising] 64 put a +1/+1 counter on

put a +1/+1 counter on Undergrowth Champion

your opponent cannot activate cards or effects when you Normal or Special Summon a monster(s)

When Avatar of Growth enters the battlefield

In the end

Shatterskull Smashing // Shatterskull, the Hammer Pass (Extended Art) [Zendikar Rising] 64 put a +1/+1 counter onSet: Zendikar Rising Type: Sorcery Land Rarity: Mythic Cost: {X}{R}{R} Shatterskull Smashing deals X damage divided as you choose among up to two target creatures and or planeswalkers. If X is 6 or more, Shatterskull Smashing deals twice X damage divided as you choose among them instead. Reverse Type: Land As Shatterskull, the Hammer Pass enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped. {T}: Add {R}.