Hive Mind + Doomsday + Ashiok, Dream Render

Prerequisites

• Your life total is at least 2.
• Ashiok has at least two loyalty counters on it.

Steps

1. 1Activate Ashiok by removing a loyalty counter from it, causing target player to mill four cards and exiling each opponent's graveyard.
2. 2Cast Doomsday by paying .
3. 3Hive Mind triggers, causing each opponent to copy Doomsday.
4. 4Resolve an opponent's Doomsday, causing them to exile their library and not search for any cards due to Ashiok, and lose half their life total, rounded up.
5. 5Repeat step 4 for each remaining opponent.
6. 6Resolve your Doomsday, searching your library and/or graveyard for five cards, exiling the rest of your library and graveyard, and putting the five chosen cards on top of your library in any order, and losing half your life total, rounded up.

Effects

• Exile each opponent's library
• Near-infinite lifeloss