Card

Riverchurn Monument

Mana cost {1}{U}

Artifact

{1}, {T}: Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.) Exhaust — {2}{U}{U}, {T}: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)

Part of 9 known combos, 9 of them two-card. 3 official rulings.

Commander
Legal
Printing
Rare · DFT · #57
Cheapest printing
€0.48
EDHREC salt
0.46
Color identity
Blue
Keywords
Exhaust, Mill

Scryfall · EDHREC

Bracket

Why

  • Two-card combo with Maddening Cacophony, Jidoor, Aristocratic Capital // Overture, Singularity Rupture, Traumatize, Cut Your Losses, Terisian Mindbreaker, Fleet Swallower, Kitsune's Technique, Lord Xander, the Collector (early with Terisian Mindbreaker, Fleet Swallower, Lord Xander, the Collector)

How Lotus Vault estimates a bracket

Bracket: Lotus Vault analysis, with Commander Spellbook flags

Combos

9 known combos, 9 of them two-card.

Combos: Commander Spellbook

Rulings

  • 2025-02-07 · Wizards of the Coast
    If an ability triggers whenever you activate an exhaust ability, that ability resolves before the exhaust ability resolves.
  • 2025-02-07 · Wizards of the Coast
    If an exhaust ability of a permanent is activated, and then that permanent leaves the battlefield and returns to the battlefield, it becomes a new object so its exhaust ability can be activated again.
  • 2025-02-07 · Wizards of the Coast
    Exhaust abilities can be activated any time you could normally activate an ability.

Rulings: Scryfall · Wizards of the Coast

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