Mox Opal [Judge Gift Cards 2019] Rise of the Eldrazi Promos your opponents can't cast spells

your opponents can't cast spells or activate abilities of artifacts

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power

Set: Legends Type: Creature — Human Monk Uncommon Cost: {G}{G} Protection from black At the beginning of each end step

Set: Masters 25 Type: Artifact Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it

When Dance of the Dead leaves the battlefield

Mox Opal [Judge Gift Cards 2019] Rise of the Eldrazi Promos your opponents can't cast spellsSet: Judge Gift Cards 2019 Type: Legendary Artifact Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate this ability only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.