傳奇神器
金技~

:加一點任意顏色的魔法力到你的魔法力池中。 你只可以於你操控三個或更多神器時起動此異能。
If you control Mox Opal and one other artifact, then have a second Mox Opal enter the battlefield as your third artifact, you can't activate either one's mana ability before putting one into your graveyard due to the “legend rule.”