Ilharg, the Raze-Boar

This spell can't be countered.
Riot, Trample
When Ilharg, the Raze-Boar enters the battlefield, destroy all artifacts, enchantments, and nonbasic
lands and deal X damage to each creature and each player.
Ilharg, the Raze-Boar has hexproof and indestructible while it is your turn.