Day's Undoing
Magic Origins — Mythic
Sorcery
Sets Day's Undoing has been printed in:

Magic Origins — Mythic
Sorcery
Sets Day's Undoing has been printed in:

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Instant // Sorcery
Put target spell or nonland permanent into its owner's library second from the top.
Memory
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Each player shuffles their hand and graveyard into their library, then draws seven cards.
Sorcery
Each player shuffles their hand and graveyard into their library, then draws seven cards.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Instant
Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Emergency Powers.
Addendum — If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield.
Sorcery
Assist (Another player can pay up to of this spell's cost.)
Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Game Plan.
Sorcery
Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.
Sorcery
Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.
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