ARTIFACT
Cloud Key
As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery.
Spells you cast of the chosen type cost less to cast.
FORMATS
TAGS · 2
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Comments & Rulings · 2
- Wizards of the Coast2021-03-19 · official rulingThe cost reduction applies only to generic mana in the cost of spells of the chosen type you cast.
- Wizards of the Coast2021-03-19 · official rulingTo determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as a flashback cost), add any cost increases (such as kicker costs), then apply any cost reductions (such as that of Cloud Key's ability). The mana value of the spell is determined by only its mana cost, no matter what the total cost to cast that spell was.