Sneak Attack 
Text:
: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.
Rulings:
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8/7/2020
You sacrifice the creature only if you still control it at end of turn. If that creature has left the battlefield, even if it came back, you don’t sacrifice it.
Legality:
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standard: Not legal
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future: Not legal
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frontier: Not legal
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modern: Not legal
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legacy: Legal
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pauper: Not legal
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vintage: Legal
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penny: Not legal
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commander: Legal
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1v1: Legal
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duel: Legal
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brawl: Legal
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oldschool: Not legal
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historic: Banned
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pioneer: Not legal
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gladiator: Legal
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premodern: Legal
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historicbrawl: Legal
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paupercommander: Not legal
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alchemy: Not legal
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explorer: Not legal
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predh: Legal
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oathbreaker: Legal
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timeless: Legal
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standardbrawl: Not legal
Other languages:
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Sneak Attack
