Requires

Etali, Primal Conqueror // Etali, Primal Sickness must be in hand. Mortuary must be on the battlefield. Carrion Feeder must be on the battlefield. Mana needed:

Steps

1. Cast Etali by paying .
2. When Etali enters the battlefield, it triggers.
3. Holding priority, activate Carrion Feeder by sacrificing Etali.
4. When Etali dies, Mortuary triggers, putting Etali on top of your library from your graveyard.
5. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
6. Resolve the Etali trigger from step 2, causing you to exile cards from each player's library until you exile a nonland card, with you exiling Etali from your library, and cast Etali and any other nonland cards exiled this way without paying their mana costs.
7. Repeat from step 2.

Results