诞生仪式
结界
在你的结束步骤开始时，若你操控生物，则检视你牌库顶的七张牌。然后你可以牺牲一个生物。若你如此作，你可以将这些牌其中一张法术力值等于或小于X的生物牌放进战场，X为所牺牲之生物的法术力值加1。将其余的牌以随机顺序置于你牌库底。
standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
Birthing Ritual's ability checks if you control a creature at the beginning of your end step. If you don't, the ability won't trigger.
If one of the revealed creature cards has in its mana cost, X is 0 when determining that card's mana value.
Use the mana value of the sacrificed creature as it last existed on the battlefield to determine the value of X.
If Birthing Ritual's ability does trigger but you control no creatures when it tries to resolve, the ability will do nothing.
If one of the revealed creature cards has in its mana cost, X is 0 when determining that card's mana value.
Use the mana value of the sacrificed creature as it last existed on the battlefield to determine the value of X.
If Birthing Ritual's ability does trigger but you control no creatures when it tries to resolve, the ability will do nothing.
Rulings
Birthing Ritual's ability checks if you control a creature at the beginning of your end step. If you don't, the ability won't trigger.
If one of the revealed creature cards has in its mana cost, X is 0 when determining that card's mana value.
Use the mana value of the sacrificed creature as it last existed on the battlefield to determine the value of X.
If Birthing Ritual's ability does trigger but you control no creatures when it tries to resolve, the ability will do nothing.
If one of the revealed creature cards has in its mana cost, X is 0 when determining that card's mana value.
Use the mana value of the sacrificed creature as it last existed on the battlefield to determine the value of X.
If Birthing Ritual's ability does trigger but you control no creatures when it tries to resolve, the ability will do nothing.
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