First printed in Secrets of Strixhaven Commander (2026)
All 2 prints
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Secrets of Strixhaven Commander (SOC) #19, 2026
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Secrets of Strixhaven Commander (SOC) #69, 2026
Expansion Algorithm 
Sorcery
Proliferate X times. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)
Legality
- Legal in
- Legacy, Vintage, Commander, Duel Commander, Tiny Leaders, Oathbreaker
- Not legal in
- Standard, Pioneer, Modern, Pauper, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Premodern, Old School 93/94, Gladiator, Pauper Commander, PreDH, Brawl, Standard Brawl, Competitive Brawl
MTGO price: 0.73 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
Combos
1 combo from Commander Spellbook.
- Win the game: Expansion Algorithm + Prologue to Phyresis
