Volcanic Eruption [Unlimited Edition] Warrior Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it

Set: Worldwake Prerelease Promos Type: Instant Rarity: Mythic Cost: {X}{R}{R} Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell

Then exile the top card of your library

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

if Clockwork Avian attacked or blocked this combat

Volcanic Eruption [Unlimited Edition] Warrior Set: Kaladesh Inventions Type: ArtifactSet: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {X}{U}{U}{U} Destroy X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.