Combos with Fleet Swallower

Declare Fleet Swallower as an attacker, triggering its ability, causing an opponent to mill their library due to Bruvac.

1. Declare Fleet Swallower as an attacker.
2. Fleet Swallower triggers, causing the opponent enchanted by Fraying Sanity to mill cards equal to half their library size, rounded up.
3. At the beginning of your end step, Fraying Sanity triggers, causing the opponent to mill cards equal to the number of cards put into their graveyard this turn.

1. Declare Fleet Swallower as an attacker, triggering its ability, causing an opponent to mill half their library, rounded up.
2. Activate Consuming Aberration by tapping it, causing the opponent to mill cards equal to the cards in opponents' graveyards, milling the remainder of their library.

1. Declare Fleet Swallower as an attacker, triggering its ability, 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 Fleet Swallower's ability to mill the remainder of their library.

1. Declare Lord Xander as an attacker, triggering its second ability, causing a player to mill half their library, rounded up.
2. Activate Keening Stone by paying {5} and tapping it, causing the player to mill cards equal to the number of cards in their graveyard, thus milling the rest of their library.

1. Declare Fleet Swallower as an attacker, triggering it, causing the player named by Sewer Nemesis to mill half their library, rounded up.
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.