Mox Opal [Kaladesh Inventions] RC28 Set: HeartGold & SoulSilver: Undaunted

Set: HeartGold & SoulSilver: Undaunted Type: Lightning Rarity: Rare Retreat cost: Colorless

return all cards on the field to their owners' hands

Set: Stardust Overdrive Card type: Effect Monster Rarity: Ultimate Rare Attack: 100 Defense: 100 There can only be 1 face-up 'Earthbound Immortal' monster on the field

You can add 1 "Burning Skull Head" from your Graveyard to your hand instead of conducting a normal draw in your Draw Phase

it gains 400 ATK during the Damage Step only

Mox Opal [Kaladesh Inventions] RC28 Set: HeartGold & SoulSilver: UndauntedSet: 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.