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Riverchurn Monument [Aetherdrift Prerelease Promos]
| Set: | Aetherdrift Prerelease Promos |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | 1U |
| Colors: | U |
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 — 2UU, T: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)
Exhaust — 2UU, T: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)