绿洲仪式师 {3}{G}

生物～那伽／德鲁伊

{T}：加一点任意颜色的法术力到你的法术力池中。

{T}，耗竭绿洲仪式师：加两点任意颜色的单色法术力到你的法术力池中。（已耗竭的生物于你的下一个重置步骤中不能重置。）

「放任不管才是真正末日。」

2/4

Illustrated by Josu Hernaiz

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Hour of Devastation #124

Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
You can’t exert a creature unless an effect allows you to do so. Similar effects that “tap and freeze” a creature (such as that of Decision Paralysis) don’t exert that creature. (2017-04-18)
If an exerted creature is already untapped during your next untap step (most likely because it had vigilance or an effect untapped it), exert’s effect preventing it from untapping expires without having done anything. (2017-04-18)

If you gain control of another player’s creature until end of turn and exert it, it will untap during that player’s untap step. (2017-04-18)
Some cards in the Hour of Devastation set let you exert a creature as a cost to activate one of its abilities. You can exert it to pay that cost even if you’ve already exerted it earlier in the turn. Exerting it multiple times will keep it tapped only during your next untap step. (2017-07-14)