Arcane Maelstrom is a 100-card Commander precon from C20, released April 17, 2020. Its commander is Kalamax, the Stormsire, and its colours are blue, red and green. The list runs 25 instants, 21 creatures, 7 artifacts, 6 enchantments, 1 planeswalker and 1 sorcery, with 38 lands.
Out of the box this list reads as Bracket 3, Upgraded, with 1 Game Changer, 38 lands and an average mana value of 3.7 across the 61 nonland cards of the 99. The bracket is read from the cards alone, with the Game Changers list of February 9, 2026. Official policy also weighs intent and how fast a deck wins, which a decklist cannot show.
Decklist, card data and prices from MTGJSON (card data build of November 11, 2026). Statistics computed November 11, 2026.
The full Arcane Maelstrom list, 100 cards by type. Every card links to its own page with printings, price and format legality.
Product data source: Wizards of the Coast (https://magic.wizards.com/en/articles/archive/news/arcane-maelstrom-2020-04-06)