How many cards are in a Lost Origin master set?

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A Lost Origin master set is 366 cards — every card plus its 149 reverse holos.

What a Lost Origin master set includes

One of everything: all 217 numbered cards — the 196 base plus 21 secret rares — then every reverse holo, 149 of them. The headline cards you have to land:

The extras unique to Lost Origin

Lost Origin has no special pattern variants, so the master set is the 217-card checklist plus 149 reverse holos — no extra pattern foils to chase beyond the 21 secret rares.

Star Pokémon in the Lost Origin master set

A master set means chasing every print of the set's headline Pokémon, not just one each:

The Lost Origin master-set total

All in, a complete Lost Origin master set is 366 cards versus 196 for the base — about 1.9× the work, or roughly 41 pages in a 9-pocket binder. Sleeve and storage budget should target the larger number if you're going all the way on Lost Origin.

Figures are from the pokemontcg.io dataset, as of June 2026.

Best binder size for Lost OriginReverse holos in Lost OriginBuild the Lost Origin master set