Card Codex

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17 May 2024: Card library updated.

Arcane Subtraction

1U · Instant

Target creature gets -4/-0 until end of turn. 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
A-Urza's Command 2UUInstant Choose two — • Creatures you don't control get -3/-0 until end of turn. • Create two tapped Powerstone tokens. • Create a tapped 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." • Scry 2, then draw a card.
Will of the All-Hunter 1WInstant Target creature gets +2/+2 until end of turn. If it's blocking, instead put two +1/+1 counters on it. Cycling {2} ({2}, Discard this card: Draw a card.)
Michiko's Reign of Truth 1WEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter.) I, II — Target creature gets +1/+1 until end of turn for each artifact and/or enchantment you control. III — Exile this Saga, then return it to the battlefield transformed under your control.
Iron-Craw Crusher 7Artifact Creature — Wurm Prototype {2}{G}{G} — 2/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Whenever Iron-Craw Crusher attacks, target attacking creature gets +X/+0 until end of turn, where X is Iron-Craw Crusher's power. 4/6
Cyclical Evolution 3GGSorcery Target creature gets +3/+3 until end of turn. Exile Cyclical Evolution with three time counters on it. Suspend 3—{2}{G} (Rather than cast this card from your hand, you may pay {2}{G} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Channeler Initiate 1GCreature — Human Druid When Channeler Initiate enters the battlefield, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color. 3/4
Downhill Charge 2RInstant You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.
Heightened Reflexes RInstant Target creature gets +1/+0 until end of turn. Put a first strike counter on it.
Invasion of Kylem 2RWBattle — Siege (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Kylem enters the battlefield, up to two target creatures each get +2/+0 and gain vigilance and haste until end of turn.
Llanowar Augur GCreature — Elf Shaman Sacrifice Llanowar Augur: Target creature gets +3/+3 and gains trample until end of turn. Activate only during your upkeep. 0/3
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