Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Void Mirror

2 · Artifact

Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.

Similar cards

Color identity:
NameManaTypeText
Unified Will 1UInstant Counter target spell if you control more creatures than that spell's controller.
Defiler of Dreams 3UUCreature — Phyrexian Sphinx Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card. 4/3
Brimaz, Blight of Oreskos 2WBLegendary Creature — Phyrexian Cat Whenever you cast a Phyrexian creature or artifact creature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) At the beginning of each end step, if a Phyrexian died under your control this turn, proliferate. 3/4
Shrine of the Forsaken Gods Land {T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.
Rogue Class UBEnchantment — Class (Gain the next level as a sorcery to add its ability.) Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled. {1}{U}{B}: Level 2 Creatures you control have menace. {2}{U}{B}: Level 3 You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells.
Stormscape Familiar 1UCreature — Bird Flying White spells and black spells you cast cost {1} less to cast. 1/1
Commander Liara Portyr 3RWLegendary Creature — Human Soldier Whenever you attack, spells you cast from exile this turn cost {X} less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards. 5/3
Chorus of the Conclave 4GGWWLegendary Creature — Dryad Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) As an additional cost to cast creature spells, you may pay any amount of mana. If you do, that creature enters the battlefield with that many additional +1/+1 counters on it. 3/8
Horn of Plenty 6Artifact Whenever a player casts a spell, they may pay {1}. If the player does, they draw a card at the beginning of the next end step.
Counterpoint 3UBInstant Counter target spell. You may cast a creature, instant, sorcery, or planeswalker spell from your graveyard with mana value less than or equal to that spell's mana value without paying its mana cost.
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