
{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.)
Riverchurn Monument has 5 printings, first in Aetherdrift (2025). EDHREC ranks it #3,426 among Commander cards. It appears most in Hope Estheim decks (7,573 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.