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Game Changer · Fast Mana

Grim Monolith

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Is Grim Monolith a Game Changer?

Yes. Grim Monolith is on the official Wizards of the Coast Commander Game Changers list. Two mana in, three out, and it untaps for four — a well-known infinite-mana half.

Why is Grim Monolith a Game Changer?

Grim Monolith is net-positive acceleration the turn it lands and a combo piece thereafter. Two mana for a rock that taps for three is already ahead of anything fair, and the untap ability makes it half of one of Commander's best-known infinite mana loops with Power Artifact or a cost reducer. Fast mana that doubles as a combo piece is doubly flagged: it makes the early game faster and the mid-game explosive, and it demands answers most decks do not maindeck.

What bracket can I play Grim Monolith in?

  • Bracket 1 & 2 — not allowed. A single copy of Grim Monolith puts your deck above Core.
  • Bracket 3 (Upgraded) — allowed, and it counts as one of your three permitted Game Changers.
  • Bracket 4 & 5 — no limit, so it costs you nothing here.

This applies whether Grim Monolith is in your 99 or in the command zone. Not sure how many you are running in total? Run your decklist through the analyzer — it flags every Game Changer it finds and shows the resulting bracket.

Other Fast Mana Game Changers

Ancient Tomb

A land that taps for two, turning turn-one plays into things that should cost twice as much.

Chrome Mox

A zero-mana rock that trades a card from your hand for permanent acceleration.

Jeska's Will

A ritual that scales with the table, and with a commander out you get both halves.

Lion's Eye Diamond

Three mana for free if you discard your hand — a drawback that combo decks want anyway.

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One of 53 Game Changers · list last updated by Wizards on 9 February 2026