Earthquake [Portal] Avatar Set: Commander 2016 Type: Sorcery

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {4}{W} Each creature deals damage to itself equal to its power

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

Artifact creatures with indestructible can't be destroyed by damage

Set: Alpha Edition Type: Enchantment Rarity: Common Cost: {1}{W} {1}: The next time a green source of your choice would deal damage to you this turn

And still you will not have suffered enough

Earthquake [Portal] Avatar Set: Commander 2016 Type: SorcerySet: Portal Type: Sorcery Rarity: Rare Cost: {X}{R} Earthquake deals X damage to each creature without flying and each player.