best mtg precon commander Top 10 Decks for Commander! (2025 Update!) Top 5 Best Precon Decks

you'll untap, attack, and win

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While the obvious first home for Urza's Cave is Tron decks as a failsafe for games where it's difficult to assemble the three Urza lands necessary for the strategy's explosive mana acceleration , it's also interesting to consider what else Urza's Cave can do in decks featuring Knight of the Reliquary, Elvish Reclaimer, and the Modern Horizons 3 reprint Sylvan Safekeeper

Our hope is this also makes things a lot clearer in terms of big game-ending cards and combos, explaining where they should show up

Arcane Signet and Sol Ring are the only mana rocks that make the cut here

That meant that if you tapped Mana Crypt on your upkeep you didn't take any damage, so decks that could use the mana then could get two mana per turn for free