Galazeth Prismari [Strixhaven: School of Mages Prerelease Promos] Warhammer Underworlds if you control the artifact

if you control the artifact with the highest mana value or tied for the highest mana value

You may have that player lose that much life

there is an additional combat phase

Traps and other monsters' effects cannot be activated

Set: The Dark Type: Artifact Rarity: Uncommon Cost: {0} {T}

Galazeth Prismari [Strixhaven: School of Mages Prerelease Promos] Warhammer Underworlds if you control the artifactSet: Strixhaven: School of Mages Prerelease Promos Type: Legendary Creature Elder Dragon Rarity: Mythic Cost: {2}{U}{R} Flying When Galazeth Prismari enters the battlefield, create a Treasure token. Artifacts you control have "{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."