Urza's Ruinous Blast [Dominaria Promos] Dissension Set: Legends Type: Enchantment Rare

Set: Legends Type: Enchantment Rare Cost: {2}{W}{W} Whenever a Mountain an opponent controls becomes tapped

instead look at the top X cards of your library

Set: Magic 2013 Type: Sorcery Mythic Cost: {6}{R}{R}{R} Exile all permanents

"While most overworlders fortunately don't realize this

Urza's Ruinous Blast [Dominaria Promos] Dissension Set: Legends Type: Enchantment RareSet: Dominaria Promos Type: Legendary Sorcery 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.