Reyav, Master Smith [Commander Legends] Ixalan Promos Set: Unlimited Edition Type: Artifact

Set: Unlimited Edition Type: Artifact Rarity: Uncommon Cost: {3} Basalt Monolith doesn't untap during your untap step

Set: Mirrodin Type: Instant Rarity: Common Cost: {2}{R} Add {R}{R}{R}{R}{R}

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} As Black Vise enters the battlefield

You may cast one of them without paying its mana cost

High walls

Reyav, Master Smith [Commander Legends] Ixalan Promos Set: Unlimited Edition Type: ArtifactSet: Commander Legends Type: Legendary Creature Dwarf Artificer Rarity: Uncommon Cost: {R}{W} Whenever a creature you control that's enchanted or equipped attacks, that creature gains double strike until end of turn. "There's always room for improvement."