The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Human Wizard Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Legendary Creature — Spirit Noble Rarity: Rare Cost: {2}{U}{W} Flying

could we store matter as energy the same way

" —Brother Moncrief

Then do it again

"This war will be over quickly

The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Human Wizard Set: Secret Lair Drop SeriesSet: The Brothers' War Prerelease Promos Type: Legendary Artifact Powerstone Rarity: Rare Cost: {5} When The Mightstone and Weakstone enters the battlefield, choose one Draw two cards. Target creature gets 5 5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)