Mox Opal [Kaladesh Inventions] Innistrad {T}: Put a mire counter

{T}: Put a mire counter on target non-Swamp land

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

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

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {1}{B} Return target legendary creature card from your graveyard to the battlefield

Whenever Ulamog

Mox Opal [Kaladesh Inventions] Innistrad {T}: Put a mire counterSet: 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.