Mox Opal [Modern Masters 2015] Merfolk Wizard Ally At the beginning of that

At the beginning of that turn's end step

(It can't be the target of spells or abilities your opponents control

Set: Portal Three Kingdoms Type: Sorcery Rarity: Common Cost: {B} Return target creature card from your graveyard to your hand

{T}: Regenerate target creature

Set: Limited Edition Beta Type: Creature — Giant Rarity: Rare Cost: {4}{R} Trample

Mox Opal [Modern Masters 2015] Merfolk Wizard Ally At the beginning of thatSet: Modern Masters 2015 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. The suns of Mirrodin have shone upon perfection only once.