Mox Opal
Every rules interaction we've explained for Mox Opal, alongside Wizards of the Coast's official rulings. Pick a combo below, or check it against a card we haven't covered yet.
2
Interactions
1
Official ruling
Oracle text
Metalcraft — 
: Add one mana of any color. Activate only if you control three or more artifacts.
Explained interactions
Official rulings
2020-08-07- Wizards of the Coast · 2020-08-07
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.”
Official rulings, quoted verbatim via Scryfall. Not AI-generated.
Check Mox Opal with another card
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