云钥 {3}
神器
于云钥进战场时，选择神器，生物，结界，瞬间或法术。
你施放的该类别咒语减少{1}来施放。
「钥匙只能打开门锁。持钥人还须决定是否要亲自跨过门槛。」
～《河鼓形上学论》，卷II
Illustrated by Trevor Hairsine
- Standard
- Not Legal
- Alchemy
- Not Legal
- Pioneer
- Not Legal
- Explorer
- Not Legal
- Modern
- Legal
- Historic
- Legal
- Legacy
- Legal
- Brawl
- Legal
- Vintage
- Legal
- Timeless
- Legal
- Commander
- Legal
- Pauper
- Not Legal
- Oathbreaker
- Legal
- Penny
- Legal
Toolbox
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Notes and Rules Information for 云钥:
- Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
- The cost reduction applies only to generic mana in the cost of spells of the chosen type you cast. (2021-03-19)
- To 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. (2021-03-19)