Mox Sapphire [30th Anniversary Edition] Rocket's Secret Machine it gets +1/+1 until end

it gets +1/+1 until end of turn for each opponent you attacked this combat

Set: Oath of the Gatewatch Prerelease Promos Type: Artifact — Equipment Rarity: Rare Cost: {1} Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it

where X is the damage dealt to your opponents this turn

Izzet Viceroy deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard

Mox Sapphire [30th Anniversary Edition] Rocket's Secret Machine it gets +1/+1 until endSet: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {U}.