Mox Opal [Double Masters] 79 negate its effects until the

negate its effects until the end of this turn

Reverse Type: Legendary Planeswalker — Gideon +2: Up to one target creature an opponent controls attacks Gideon

which were not part of the original sets

you can activate 1 of these effects: • Select 1 Set card your opponent controls and destroy it

Set: The Duelist Genesis Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 200 1 Tuner + 1 or more non-Tuner monsters You can Tribute this card to negate the activation of a Spell Card

Mox Opal [Double Masters] 79 negate its effects until theSet: Double Masters Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.