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Void Mirror

Artifact

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

CMC
2
Mana cost
{2}
Color identity
C
Rarity
rare
Set
Modern Horizons 2
Price
$0.29
EDHREC rank
#15000
Buy on TCGplayer
Void Mirror card art
Void Mirror locks out any spell cast without spending colored mana — free spells, colorless spells, and cascade triggers all get countered on the spot. Pair it with Possibility Storm and you have a lock that stops most tables cold for three combined mana.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

In Commander, Void Mirror is a hate piece that punches above its mana cost — it shuts off Sol Ring into a spell, cascade commanders, and the entire free-spell package that defines high-power tables. Legacy sees it as fringe sideboard tech against Eldrazi and cascade decks, but it's too narrow for a main deck slot. Modern has similar applications against Living End and Glimpse of Tomorrow shells, where it can single-handedly stop a combo turn. Vintage has so many free spells that Void Mirror can be genuinely oppressive, though the format's speed means it rarely survives long enough to matter.

Key Combos

Combo lines featuring this card

369 decks
Omen MachineVoid Mirror

Omen MachineVoid Mirror

All spells opponents cast using Omen Machine are countered; Lock; Players can't draw cards

View on Commander Spellbook ↗

Price Context

Current price

$0.29 bulk tier

At $0.29, Void Mirror is deep bulk — you're getting a genuinely powerful hate piece for the price of a sleeve. Bulk rares with this kind of targeted impact tend to stay cheap until a breakout combo or a high-profile deck pushes demand, so pick up copies now if the effect fits your meta.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.