Mycosynth Lattice [Darksteel] Core Set 2021 Prerelease Promos More than one mage was

More than one mage was driven insane by the sound of the Millstone relentlessly grinding away

Whenever you cast an instant or sorcery spell or activate an ability

where X is its converted mana cost

Set: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {1}{R}{R} Gain control of target creature or Vehicle until end of turn

Set: Outlaws of Thunder Junction Commander Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

Mycosynth Lattice [Darksteel] Core Set 2021 Prerelease Promos More than one mage wasSet: Darksteel Type: Artifact Rarity: Rare Cost: {6} All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color.