Urza's Ruinous Blast [Dominaria Prerelease Promos] Creature Set: Scourge Type: Creature —

Set: Scourge Type: Creature — Goblin Warrior Rarity: Uncommon Cost: {1}{R}{R} Goblin spells you cast cost {1} less to cast

Whenever Hero of Bladehold attacks

where X is the number of colors among those creatures

Whenever a Mountain enters the battlefield under your control

Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way

Urza's Ruinous Blast [Dominaria Prerelease Promos] Creature Set: Scourge Type: Creature —Set: Dominaria Prerelease Promos Type: Legendary Sorcery Rarity: Rare Cost: {4}{W} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Exile all nonland permanents that aren't legendary. Centuries ago, one man's vengeance plunged the world into ice and darkness.