Card Codex

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17 May 2024: Card library updated.

Divide by Zero

2U · Instant

Return target spell or permanent with mana value 1 or greater to its owner's hand. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Similar cards

Color identity:
NameManaTypeText
Vhal, Scholar of Creation 2GULegendary Creature — Human Wizard When this creature specializes, remove all study counters from it. Seek two creature cards with mana value less than or equal to the number of study counters removed this way. Put one of them onto the battlefield and shuffle the other into your library. {T}: Draw a card, then discard a card. 4/4
Forge Armor 4RInstant As an additional cost to cast this spell, sacrifice an artifact. Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value.
Simon, Wild Magic Sorcerer 2ULegendary Creature — Human Elf Shaman Whenever you cast an instant or sorcery spell with mana value 3 or greater, roll a d20. 1-9 | Each player draws a card. 10-19 | You draw a card. 20 | Copy that spell. You may choose new targets for the copy. 1/1
Lord of the Undead 1BBCreature — Zombie Other Zombie creatures get +1/+1. {1}{B}, {T}: Return target Zombie card from your graveyard to your hand. 2/2
Cackling Observer 1BBCreature — Imp Flying When Cackling Observer enters the battlefield, target opponent reveals each nonland card in their hand. You choose one of those cards and exile it. When Cackling Observer leaves the battlefield, the exiled card's owner seeks a nonland card with lesser mana value than the exiled card. 3/1
Grave Exchange 4BBSorcery Return target creature card from your graveyard to your hand. Target player sacrifices a creature.
The Ancient One UBLegendary Creature — Spirit God Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard. {2}{U}{B}: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value. 8/8
Treasure Keeper 4Artifact Creature — Construct When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order. 3/3
Snowborn Simulacra XUUSorcery Conjure a duplicate of each of X target nontoken permanents into your hand. Those cards perpetually gain "You may spend mana as though it were mana of any color to cast this spell." If X is 5 or more, you may put one of them from your hand onto the battlefield.
Azorius Aethermage 1WUCreature — Human Wizard Whenever a permanent is returned to your hand, you may pay {1}. If you do, draw a card. 1/1
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