First printed in Strixhaven: School of Mages (2021)
All 7 prints
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Secrets of Strixhaven Commander (SOC) #318, 2026
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Tarkir: Dragonstorm Commander (TDC) #296, 2025
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Magic Online Promos (PRM) #90276, 2021 (digital)
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Strixhaven: School of Mages Promos (PSTX) #203p, 2021
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Strixhaven: School of Mages Promos (PSTX) #203s, 2021
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Strixhaven: School of Mages (STX) #203, 2021
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Strixhaven: School of Mages (STX) #346, 2021
Magma Opus 
Instant
Magma Opus deals 4 damage divided as you choose among any number of targets. Tap two target permanents. Create a 4/4 blue and red Elemental creature token. Draw two cards.
, Discard this card: Create a Treasure token.
- Illustrated by
- Liiga Smilshkalne
- Watermark
- Prismari
Legality
- Legal in
- Pioneer, Modern, Legacy, Vintage, Historic, Timeless, Penny Dreadful, Gladiator, Commander, Duel Commander, Oathbreaker, Brawl, Competitive Brawl
- Not legal in
- Standard, Pauper, Future Standard, Alchemy, Premodern, Old School 93/94, Pauper Commander, PreDH, Tiny Leaders, Standard Brawl
Rulings (5)
- You choose all targets for Magma Opus as you cast the spell. This includes up to four targets for the first effect and two target permanents for the second effect.
- If somehow all of Magma Opus's targets are illegal as it tries to resolve, none of its effects happen. You will not create an Elemental token or draw two cards.
- You must choose two different target permanents for the second effect. You may choose permanents that are already tapped.
- The same permanent can be chosen as a target for each of the two instances of "target." That is, you can have Magma Opus both deal damage to a creature or planeswalker and then tap it. (We're having a hard time imagining why you would, but you're the brilliant student.)
- You also choose how the 4 damage will be divided among the first group of targets as you cast Magma Opus. You must have at least 1 damage dealt to each of those targets.
Prices
MTGO price: 0.08 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).