血迹分析 {B}{R}

结界

当血迹分析进战场时，它向目标由对手操控的生物造成3点伤害。

每当一个或数个生物死去时，磨一张牌并在血迹分析上放置一个血迹指示物。然后如果其上有五个或更多血迹指示物，则牺牲它。当你如此作时，将目标生物牌从你的坟墓场移回你手上。

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
Blood Spatter Analysis is sacrificed for having five or more bloodstain counters on it only while its second ability is resolving. If you put a fifth counter on it some other way, it won’t be immediately sacrificed. (2024-02-02)
You don’t choose a target creature card to return from your graveyard to your hand at the time Blood Spatter Analysis’s second ability triggers. Rather, a second “reflexive” ability triggers when you sacrifice Blood Spatter Analysis this way. You choose a target for that ability as it goes on the stack. Each player may respond to this triggered ability as normal. (2024-02-02)

Blood Spatter Analysis’s reflexive triggered ability triggers and returns a creature card to your hand only if you sacrifice it while resolving its second ability. It won’t trigger if you sacrifice it for any other reason. (2024-02-02)