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Twinning Glass

Artifact

{1}, {T}: You may cast a spell from your hand without paying its mana cost if it has the same name as a spell that was cast this turn.

CMC
4
Mana cost
{4}
Color identity
C
Rarity
rare
Set
Lorwyn
Price
$0.36
EDHREC rank
#24820
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Twinning Glass card art
Twinning Glass lets you copy any instant or sorcery an opponent casts for four mana — a floor that's already playable, with a ceiling that ends games when someone else throws a Cyclonic Rift or Craterhoof Behemoth trigger into the stack. The setup cost is real, but commanders like Rootha, Mercurial Artist make the Glass a repeatable engine rather than a one-shot answer.

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

Commander is where Twinning Glass actually lives — four players means four spell-casters to exploit, and the multiplayer table regularly serves up high-impact targets worth copying for free. In Legacy and Vintage it's a novelty at best: the format moves too fast for a four-mana artifact that depends on opponents cooperating, and dedicated spellslinger decks have cheaper, proactive options. Oathbreaker shares Commander's social dynamic and can find niches in spell-heavy metas, but the smaller life total compresses games before the Glass pays off. Bottom line: sleeve it in Commander or leave it in the binder.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.36 bulk tier

At $0.36, Twinning Glass sits firmly in bulk territory — easy to pick up as a throw-in. Bulk rares with narrow combo applications don't tend to spike unless a breakout commander pushes demand, so expect the price to stay flat unless the card finds a high-profile home.

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Sources

Mentioned

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