Coveted Jewel
When this artifact enters, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.
Rulings (4)
Jul 13, 2018 · If more than one opponent attacks you at the same time, Coveted Jewel's last ability triggers for each of them. You choose which player ends up with Coveted Jewel, but each of them draws three cards and has a chance to activate its mana ability.
Jul 13, 2018 · Coveted Jewel's last ability resolves after blockers are chosen but before combat damage is dealt.
Jul 13, 2018 · A creature attacking a planeswalker you control won't cause Coveted Jewel's last ability to trigger.
Jul 13, 2018 · Coveted Jewel's last ability triggers after you declare blockers (or declare no blockers at all) if any attacking creatures are unblocked. It doesn't matter if some attacking creatures were blocked.
Where it’s played now
Inclusion by archetype
| Archetype | Format | Inclusion | Copies | Decks (n) |
|---|---|---|---|---|
| Jewel Shops | Vintage | 100% | 2–4× | 47 |
| Heliod, the Radiant Dawn | cEDH | 100% | 1× | 1 |
| Jhoira, Ageless Innovator | cEDH | 100% | 1× | 1 |
| Mystic Forge Combo | Legacy | 16.7% | 3–4× | 12 |