Mox Diamond

If this artifact would enter, you may discard a land card instead. If you do, put this artifact onto the battlefield. If you don't, put it into its owner's graveyard. : Add one mana of any color.

CMC

Set

STH

Rarity

mythic

Price

$1066.67

FORMATS

CommanderSTAPLE 4.6%

Brawl (Historic)NOT LEGAL

DraftNOT LEGAL

StandardNOT LEGAL

ModernNOT LEGAL

PioneerNOT LEGAL

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WWizards of the Coast2008-05-01
Official Ruling
If you don't discard a land card, Mox Diamond never enters. It won't trigger abilities that look for something entering, and you won't get the opportunity to tap it for mana.

Rulings via Scryfall

COMMENTS · 1

WO
Wizards of the Coast2008-09-01 · edited
Mox Diamond was unrestricted in vintage on September 1, 2008. No public reasoning provided. Source: https://magic.wizards.com/en/news/feature/september-1-2008-dci-banned-and-restricted-list-announcement-2008-09-01