Enigma Thief 窃谜史芬斯
Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or Rogue.)
Flying
When this creature enters, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.
伺机{3}{U}（如果你本回合中曾以史芬斯或浪客对任一牌手造成战斗伤害，则你可以支付此咒语的伺机费用来施放它。）
飞行
当窃谜史芬斯进战场时，为每位对手各进行以下流程～将至多一个目标由该牌手操控的非地永久物移回其拥有者手上。
伺机{3}{U}（如果你本回合中曾以史芬斯或浪客对任一牌手造成战斗伤害，则你可以支付此咒语的伺机费用来施放它。）
飞行
当此生物进场时，为每位对手各进行以下流程～将至多一个目标由该牌手操控的非地永久物移回其拥有者手上。
Paratranz
翻译信息
规则叙述翻译：MTGZH
背景叙述翻译：
牌图来源：官方
单卡释疑
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(2020-09-25 official)
伺机异能会将该咒语所具有的生物类别，与本回合中对牌手造成过战斗伤害之各生物的生物类别进行比较。通常来说，这代表着只有你以史芬斯或浪客对牌手造成过战斗伤害后，才能支付窃谜史芬斯的伺机费用来施放之，但如果有其他效应让咒语具有其他生物类别，则若有具该额外类别的生物对牌手造成过战斗伤害，也算是满足伺机的条件。
Prowl compares the creature types of the spell with the creature types of the creatures that dealt combat damage to players this turn. Normally this means that you can cast Enigma Thief for its prowl cost only if a Sphinx or Rogue dealt combat damage to a player, but if an effect causes the spell to have other creature types, the prowl ability is also satisfied by a creature with those additional types having dealt combat damage to a player. -
(2020-09-25 official)
如果某个被指定为窃谜史芬斯异能之目标的永久物，其操控权于该异能还没结算时就已发生改变，则在异能结算时，该永久物便会算是不合法的目标。剩余的其他合法目标仍会被移回其拥有者手上。
If a nonland permanent changes control while it's the target of Enigma Thief's ability, that permanent won't be a legal target as the ability resolves. Any remaining legal targets will be returned to their owners' hand. -
(2020-09-25 gpt)
要计算咒语的总费用，先从要支付的法术力费用或替代性费用（例如伺机费用）开始，加上费用增加的数量，然后再减去费用减少的数量。咒语的法术力值仅由其法术力费用决定，与施放咒语时所支付的总费用无关。
To determine the total cost of a spell, start with the mana cost or alternative cost (such as a prowl cost) you're paying, add any cost increases, then apply any cost reductions. The mana value of the spell is determined only by its mana cost, no matter what the total cost to cast the spell was. -
(2020-09-25 official)
只要一回合中，有由你操控且具有相应类别的生物对任一牌手造成过战斗伤害，你在当回合就能支付咒语的伺机费用来施放之。该牌手是否已离开游戏，该造成伤害的生物是否已离开战场或不再受你操控，或该生物是否已不再具有相应生物类别都不重要。
You can cast a spell for its prowl cost any time in a turn after a creature you control of a matching type has dealt combat damage to a player. It doesn't matter if that player left the game, if that creature left the battlefield or left your control, or if that creature no longer has a matching type.