Fleet Swallower + Keening Stone
Produces: Infinite self-mill, Infinite mill for target opponent
- Color identity
- U
- Mana
- {5}
Steps
- Declare Lord Xander as an attacker, triggering its second ability, causing a player to mill half their library, rounded up.
- 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.