Best Marvel Snap Sanctum Showdown Decks: Win Rates from Real Games

This page locks the SnapComplete deck stats view to Sanctum Showdown, a Limited Time Game Mode (LTGM): every distinct 12-card deck tracked players ran in the mode, with win rates, games played, and player counts. Sanctum Showdown is Marvel Snap's first points-race LTGM. Instead of ending on turn 6, the game keeps running until one side hits 16 points. Every location you win at end of turn pays points, and one lane is marked as the Sanctum and pays 4 points from turn 3 onward. Spend earned points as Charms in the Sanctum Shop on variants, cards, and Portal Pulls. Looking for the crossover event that pairs this scoring with Grand Arena Champions? That's Grand Arena Showdown, a separate special run.

SnapComplete has tracked 329,853 Sanctum Showdown games across 22,712 distinct decks all time, from players with match tracking enabled.

The highest win rate Sanctum Showdown deck with at least 50 tracked games posts a 64% win rate across 2,223 games from 244 players, running Kitty Pryde, Nebula, America Chavez, Nico Minoru, Spider-Man Brand New Day, Nightcrawler, Adam Warlock, Jeff the Baby Dolphin!?, Venus, Jane Foster Fractured Frontier, Elsa Bloodstone, Thanos Fractured Frontier.

Sanctum Showdown is a rotating Limited Time Game Mode: it runs in scheduled event windows rather than year-round, so recent time filters only show data while an event is live. The most recent run started Aug 14, 2026. The Sanctum Showdown mode guide covers the schedule, rules, and rewards in detail.

The companion Sanctum Showdown card stats page shows per-card performance for the same mode.