Varragoth, Bloodsky Sire, Timesifter, Eldrazi Displacer, Riftsweeper, and Draco

Prerequisites

• Varragoth, Bloodsky Sire on the battlefield
• Timesifter on the battlefield
• Eldrazi Displacer on the battlefield
• Riftsweeper on the battlefield
• Draco in the library
• Varragoth does not have summoning sickness
• An opponent is unable to block and kill Varragoth
• on your first turn, with available each extra turn available

Steps

1. Declare Varragoth as an attacker
2. Activate Varragoth by paying , searching your library for Draco, then shuffling your library and putting Draco on top of it
3. During the next upkeep, Timesifter triggers, exiling Draco and causing you to get an extra turn after this one
4. Activate Eldrazi Displacer by paying , blinking Riftsweeper
5. Riftsweeper enters the battlefield, shuffling Draco from exile into your library
6. Repeat

Results

• Infinite turns