Urza's Ruinous Blast [Commander Masters] Commander Masters Art Series You can't choose any mode

You can't choose any mode more than once

you may pay {2} and sacrifice an Aura attached to Three Dog

it deals that much damage to target planeswalker that player controls or battle that player protects

trample When this creature transforms into Doric

creatures you control gain flying and get +X/+X until end of turn

Urza's Ruinous Blast [Commander Masters] Commander Masters Art Series You can't choose any modeSet: Commander Masters 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.