Disruption Aura
Enchantment — Aura
Enchant artifact
Enchanted artifact has "At the beginning of your upkeep, sacrifice this artifact unless you pay its mana cost."
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2004-12-01:
Mana cost includes any requirements for colored mana, although most artifacts don’t have any color requirements.
- 2004-12-01:
If the enchanted artifact has X in its mana cost, X is 0.