Mox Opal [Kaladesh Inventions] Return to Ravnica Whenever Kaalia of the Vast

Whenever Kaalia of the Vast attacks an opponent

Set: Rise of the Eldrazi Type: Creature — Eldrazi Rarity: Rare Cost: {12} Annihilator 2 (Whenever this creature attacks

Set: XY: Ancient Origins Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

" (Any creatures named Wolves of the Hunt can attack in a band as long as at least one has "bands with other creatures named Wolves of the Hunt

Then if you have seven or more cards in your graveyard

Mox Opal [Kaladesh Inventions] Return to Ravnica Whenever Kaalia of the VastSet: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate this ability only if you control three or more artifacts. On loan from a private collection, this unique mechanism extracts power from a carefully prepared gemstone.