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Twinning GlassHow it works & interactions with other cards

By the ManaCount desk· 4 min read· Lorwyn· October 12, 2007
Carte Magic Twinning Glass

Twinning Glass is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

{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.

How it works : Twinning Glass

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    Activating Twinning Glass's ability allows you to cast a single card from your hand as it resolves. It doesn't create a continuous effect, and it doesn't let you cast multiple cards for free.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    It doesn't matter who cast the first spell.

    No other card is named in this ruling.

  3. #3· Wizards of the Coast

    You can't pay any alternative costs (such as those from evoke or morph) when casting the card. On the other hand, if the card has additional costs (such as those from kicker or buyback), you may pay those.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Rootha, Mercurial Artist
+Twinning Glass
+Dramatic Reversal
#1

Rootha, Mercurial Artist + Twinning Glass + Dramatic Reversal

Infinite creature ETBInfinite creature LTBInfinite magecraft triggersInfinite mana nonland permanents you control can produce
  1. 1Activate all mana-producing nonland permanents you control by tapping them, adding at least {4}.
  2. 2Cast Rootha either from your hand or from the command zone by paying {1}{U}{R} plus commander tax, if applicable.
  3. 3Cast Dramatic Reversal by paying {1}{U}.
  4. 4Holding priority, activate Rootha by paying {2} and returning it from the battlefield to your hand, copying Dramatic Reversal.
  5. 5Activate Twinning Glass by paying {1} and tapping it, casting Rootha without paying its mana cost.
  6. 6Resolve the copy of Dramatic Reversal, untapping all nonland permanents you control.
  7. 7Activate all mana-producing nonland permanents you control by tapping them, adding at least {4}.
  8. 8Repeat from step 4.
Rootha, Mercurial Artist
+Twinning Glass
+Turnabout
#2

Rootha, Mercurial Artist + Twinning Glass + Turnabout

Infinite creature ETBInfinite creature LTBInfinite magecraft triggersInfinite mana artifacts you control can produce
  1. 1Activate all mana-producing artifacts you control by tapping them, adding at least {4}.
  2. 2Cast Rootha either from your hand or from the command zone by paying {1}{U}{R} plus commander tax, if applicable.
  3. 3Cast Turnabout by paying {2}{U}{U}.
  4. 4Holding priority, activate Rootha by paying {2} and returning it from the battlefield to your hand, copying Turnabout.
  5. 5Activate Twinning Glass by paying {1} and tapping it, casting Rootha without paying its mana cost.
  6. 6Resolve the copy of Turnabout, untapping all artifacts you control.
  7. 7Activate all mana-producing artifacts you control by tapping them, adding at least {4}.
  8. 8Repeat from step 4.
Grinning Ignus
+Twinning Glass
+Merrow Reejerey
+Arcane Adaptation
#3

Grinning Ignus + Twinning Glass + Merrow Reejerey + Arcane Adaptation

Infinite colorless manaInfinite creature ETBInfinite creature LTBInfinite storm count
  1. 1Cast Grinning Ignus by paying {2}{R}.
  2. 2Merrow Reejerey triggers, untapping Twinning Glass.
  3. 3Activate Grinning Ignus by paying {R} and returning it to your hand from the battlefield, adding {C}{C}{R}.
  4. 4Activate Twinning Glass by paying {1} and tapping it, causing you to cast Grinning Ignus without paying its mana cost.
  5. 5Repeat from step 2.
Grinning Ignus
+Twinning Glass
+Merrow Reejerey
+Maskwood Nexus
#4

Grinning Ignus + Twinning Glass + Merrow Reejerey + Maskwood Nexus

Infinite colorless manaInfinite creature ETBInfinite creature LTBInfinite storm count
  1. 1Cast Grinning Ignus by paying {2}{R}.
  2. 2Merrow Reejerey triggers, untapping Twinning Glass.
  3. 3Activate Grinning Ignus by paying {R} and returning it to your hand from the battlefield, adding {C}{C}{R}.
  4. 4Activate Twinning Glass by paying {1} and tapping it, causing you to cast Grinning Ignus without paying its mana cost.
  5. 5Repeat from step 2.
Rootha, Mercurial Artist
+Twinning Glass
+Blinkmoth Infusion
#5

Rootha, Mercurial Artist + Twinning Glass + Blinkmoth Infusion

Infinite creature ETBInfinite creature LTBInfinite magecraft triggersInfinite mana artifacts you control can produce
  1. 1Activate all mana-producing artifacts you control by tapping them, adding at least {4}.
  2. 2Cast Rootha either from your hand or from the command zone by paying {1}{U}{R} plus commander tax, if applicable.
  3. 3Cast Blinkmoth Infusion.
  4. 4Holding priority, activate Rootha by paying {2} and returning it from the battlefield to your hand, copying Blinkmoth Infusion.
  5. 5Activate Twinning Glass by paying {1} and tapping it, casting Rootha without paying its mana cost.
  6. 6Resolve the copy of Blinkmoth Infusion, untapping all artifacts you control.
  7. 7Activate all mana-producing artifacts you control by tapping them, adding at least {4}.
  8. 8Repeat from step 4.
Grinning Ignus
+Twinning Glass
+Merrow Reejerey
+Conspiracy
#6

Grinning Ignus + Twinning Glass + Merrow Reejerey + Conspiracy

Infinite colorless manaInfinite creature ETBInfinite creature LTBInfinite storm count
  1. 1Cast Grinning Ignus by paying {2}{R}.
  2. 2Merrow Reejerey triggers, untapping Twinning Glass.
  3. 3Activate Grinning Ignus by paying {R} and returning it to your hand from the battlefield, adding {C}{C}{R}.
  4. 4Activate Twinning Glass by paying {1} and tapping it, causing you to cast Grinning Ignus without paying its mana cost.
  5. 5Repeat from step 2.
Rukarumel, Biologist
+Grinning Ignus
+Twinning Glass
+Merrow Reejerey
#7

Rukarumel, Biologist + Grinning Ignus + Twinning Glass + Merrow Reejerey

Infinite colorless manaInfinite creature ETBInfinite creature LTBInfinite storm count
  1. 1Cast Grinning Ignus by paying {2}{R}.
  2. 2Merrow Reejerey triggers, untapping Twinning Glass.
  3. 3Activate Grinning Ignus by paying {R} and returning it to your hand from the battlefield, adding {C}{C}{R}.
  4. 4Activate Twinning Glass by paying {1} and tapping it, causing you to cast Grinning Ignus without paying its mana cost.
  5. 5Repeat from step 2.
03

Legal formats

modernlegacyvintagepennycommanderoathbreakerduelpredh
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Meta decks with Twinning Glass

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