Combos with Cut Your Losses

Cast Cut Your Losses by paying its mana cost, causing an opponent to mill a number of cards equal to half their library, rounded down, times two due to Bruvac.

1. Cast Cut Your Losses by paying {4}{U}{U}, causing the player enchanted by Fraying Sanity to mill half their library, rounded down.
2. At the beginning of your end step, Fraying Sanity triggers, causing the player to mill the rest of their library.

1. Cast Cut Your Losses by paying {4}{U}{U}, causing a player to mill half their library, rounded up.
2. Activate Riverchurn Monument's exhaust ability by paying {2}{U}{U} and tapping it, causing each player to mill cards equal to the number of cards in their graveyard, thus causing the player targeted by Cut Your Losses to mill the rest of their library.

1. Cast Cut Your Losses by paying {4}{U}{U}, causing an opponent to mill half their library, rounded down.
2. Activate Keening Stone by paying {5} and tapping it, causing the opponent to mill cards equal to the number of cards in their graveyard, thus milling the rest of their library.

1. Cast Cut Your Losses by paying {4}{U}{U}, causing the player named by Sewer Nemesis to mill half their library, rounded down.
2. Activate Sewer Nemesis by tapping it, causing the player to mill cards equal to the cards in their graveyard, milling the remainder of their library.