Riverchurn Monument

{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.)

Rulings (3)

Feb 7, 2025 · If an ability triggers whenever you activate an exhaust ability, that ability resolves before the exhaust ability resolves.

Feb 7, 2025 · 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.

Feb 7, 2025 · Exhaust abilities can be activated any time you could normally activate an ability.

LegacyLegal

VintageLegal

ModernLegal

PioneerLegal

StandardLegal

PauperNot legal

PremodernNot legal

cEDHLegal

Where it’s played now

Inclusion by archetype

% of archetype's lists running it · last 30 days · n=201 decks

Archetype	Format	Inclusion	Copies	Decks (n)
Azorius Control	Standard	33.3%	2×	3
Jeskai Lessons	Standard	16.7%	1–4×	78
Jeskai Control	Standard	14.4%	1–2×	104
Mill	Modern	6.3%	1×	16

Data as of Jun 14, 2026 · MTGO + papercasthaven.com

Price