First printed in Theros (2013)
All 6 prints
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Duskmourn: House of Horror Commander (DSC) #124, 2024
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Forgotten Realms Commander (AFC) #90, 2021
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Archenemy: Nicol Bolas (E01) #26, 2017
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Magic Online Promos (PRM) #53842, 2014 (digital)
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Magic 2015 Clash Pack (CP1) #1, 2014
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Theros (THS) #60, 2013
Prognostic Sphinx 
Creature — Sphinx
Flying
Discard a card: This creature gains hexproof until end of turn. Tap it.
Whenever this creature attacks, scry 3.
MTGO price: 0.006 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
Combos
62 combos from Commander Spellbook, the most popular first.
- Infinite draw triggers, Infinite rummaging…: Curator of Mysteries + Eligeth, Crossroads Augur + Prognostic Sphinx
- Infinite self-discard triggers, Infinite draw triggers…: Curator of Mysteries + Matoya, Archon Elder + Prognostic Sphinx
- Near-infinite damage, Infinite draw triggers…: Glint-Horn Buccaneer + Niv-Mizzet, Visionary + Prognostic Sphinx
- Infinite self-discard triggers, Infinite storm count: Hullbreaker Horror + Norman Osborn // Green Goblin + Prognostic Sphinx
- Infinite self-discard triggers, Near-infinite creature ETB…: Cryptcaller Chariot + Kindred Discovery + Prognostic Sphinx
- Near-infinite turns, Lock: Doctor Octopus, Master Planner + Lyla, Holographic Assistant + Prognostic Sphinx + Sage of Hours
- Infinite self-discard triggers: Gilded Assault Cart + Mary Read and Anne Bonny + Prognostic Sphinx + Xorn
- Infinite turns, Lock: Bard, King of Dale + Karn, the Great Creator + Osgir, the Reconstructor + Prognostic Sphinx + Ugin's Nexus
- Infinite self-discard triggers: Bard, King of Dale + Gilded Assault Cart + Mary Read and Anne Bonny + Prognostic Sphinx
- Lock, Near-infinite turns: Iron Man, Armored Avenger + Prognostic Sphinx + Sage of Hours + The Ten Rings
Legality
Constructed
- Standard Not legal
- Pioneer Legal
- Modern Legal
- Legacy Legal
- Vintage Legal
- Pauper Not legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Not legal
- PreDH Not legal
- Tiny Leaders Not legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal