原文If the target creature or planeswalker is an illegal target as Tundra Fumarole tries to resolve, it won't resolve and none of its effects will happen. You won't add mana.
2021/02/05
原文If you cast Tundra Fumarole without spending snow mana, you won't add any mana. Damage will still be dealt.
2021/02/05
原文If Tundra Fumarole is copied, no snow mana was spent to cast the copy, so you won't add any mana. Damage will still be dealt.
2021/02/05
原文Snow is a supertype, not a card type. It has no rules meaning or function by itself, but spells and abilities may refer to it.
2021/02/05
原文The symbol is a generic mana symbol. It represents a cost that can be paid by one mana that was produced by a snow source. That mana can be any color or colorless.
2021/02/05
原文Snow isn't a type of mana. If an effect says you may spend mana as though it were any type, you can't pay for using mana that wasn't produced by a snow source.
2021/02/05
原文Some cards have additional effects for each spent to cast them. You can cast these spells even if you don't spend any snow mana to cast them; their additional effects simply won't do anything.
2021/02/05
原文The Kaldheim set doesn't have any cards with mana costs that include , but some previous sets do. If an effect says such a spell costs less to cast, that reduction doesn't apply to any costs. This is also true for activated abilities that include in their activation costs and effects that reduce those costs.