厄灾骨绷霸 {3}{U}{B}

传奇生物 — 骷髅妖／惊惧兽

警戒，威慑

落坟8～{4}{U}{B}：将厄灾骨绷霸从你的坟墓场移回战场，且上面有一个终命指示物。只能于你坟墓场中有八张或更多永久物牌时起动，且仅限法术时机。（如果其上有终命指示物的生物将死去，则改为放逐之。）

6/4

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
Cards with the ability word "descend N" have abilities that care if you have at least N permanent cards in your graveyard. (2023-11-10)
Some descend triggered abilities include intervening "if" clauses (i.e. "if you have [four or eight] permanent cards in your graveyard" in the middle of the ability). Each of these abilities checks your graveyard at the moment it would trigger to see if it does. If you don't have the required number of permanent cards in your graveyard at that time, the ability doesn't trigger at all. If it does trigger, it will check again as it tries to resolve. If you don't have the required number of permanent cards in your graveyard at that time, the ability won't resolve and none of its effects will happen. (2023-11-10)
Finality counters work on any permanent, not only creatures. If a permanent with a finality counter on it would be put into a graveyard from the battlefield, exile it instead. (2023-11-10)

Finality counters don't stop permanents from going to zones other than the graveyard from the battlefield. For example, if a permanent with a finality counter on it would be put into its owner's hand from the battlefield, it does so normally. (2023-11-10)
Finality counters aren't keyword counters, and a finality counter doesn't give any abilities to the permanent it's on. If that permanent loses its abilities and then would go to a graveyard, it will still be exiled instead. (2023-11-10)
Multiple finality counters on a single permanent are redundant. (2023-11-10)