Exile All Hallow's Eve with two scream counters on it.
At the beginning of your upkeep, if this card is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.
The only thing that happens when All Hallow's Eve resolves is that it's exiled with two scream counters on it.
2009-10-01
wotc
Each creature returned to the battlefield by All Hallow's Eve enters under its owner's control.
2009-10-01
wotc
All Hallow's Eve's triggered ability functions from the exile zone. This ability has an "intervening 'if' clause." It won't trigger at all unless All Hallow's Eve is exiled and has a scream counter on it (which can happen only if it resolves as a spell).
2004-10-04
wotc
Since you can respond to triggered abilities, it is legal to sacrifice creatures using some spell or ability prior to resolving the ability that removes the final counter from All Hallow's Eve.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Not Legal
Timeless
Not Legal
Gladiator
Not Legal
Pioneer
Not Legal
Modern
Not Legal
Legacy
Legal
Pauper
Not Legal
Vintage
Legal
Penny
Not Legal
Commander
Legal
Oathbreaker
Legal
Standardbrawl
Not Legal
Brawl
Not Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Legal
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