法术
将任意数量的牌从你的坟墓场移回你手上,且这些牌的总法术力费用须各不相同。将时迁季移置于其拥有者的牌库底。
If a card in your graveyard has
in its mana cost, X is considered to be 0.
You choose which cards to return as Seasons Past resolves, not as you cast it.
The phrase "different mana values" compares the mana costs of cards in your graveyard to one another, not to Seasons Past. You may return a card with a mana value of 6.
A card with no mana cost, such as a land, has a mana value of 0.