Mox Opal [Kaladesh Inventions] Innistrad (They can't be blocked except

(They can't be blocked except by artifact creatures and/or black creatures

Remove a charge counter from Umezawa's Jitte: Choose one —

Set: Alpha Edition Type: Creature — Zombie Rarity: Uncommon Cost: {3}{B} At the beginning of each end step

Whenever Ulamog

Set: Arabian Nights Type: Artifact Creature — Spirit Rarity: Rare Cost: {4} Flying (This creature can't be blocked except by creatures with flying or reach

Mox Opal [Kaladesh Inventions] Innistrad (They can't be blocked exceptSet: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. On loan from a private collection, this unique mechanism extracts power from a carefully prepared gemstone.