Thunderheads [Duel Decks: Izzet vs. Golgari] Island Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Set: Ixalan Type: Enchantment Rarity: Rare Cost: {4}{B} Whenever a creature an opponent controls dies

Set: Beta Edition Type: Enchantment Rarity: Uncommon Cost: {U}{U} Whenever a Forest an opponent controls becomes tapped

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Roar of the World is in the command zone or on the battlefield

Thunderheads [Duel Decks: Izzet vs. Golgari] Island Set: Kaladesh Inventions Type: ArtifactSet: Duel Decks: Izzet vs. Golgari Type: Instant Rarity: Uncommon Cost: {2}{U} Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost.) Create a 3 3 blue Weird creature token with defender and flying. Exile it at the beginning of the next end step. The clouds grew thick, and then they grew teeth.