Toph, Hardheaded Teacher + Etali, Primal Conqueror // Etali, Primal Sickness + Yedora, Grave Gardener + Altar of Dementia

Toph, Hardheaded Teacher

Etali, Primal Conqueror // Etali, Primal Sickness

Yedora, Grave Gardener

Altar of Dementia

How it works

1. Cast Etali either from your hand or the command zone by paying 5 plus commander tax if applicable.
2. When Etali enters, it triggers.
3. Holding priority, activate Altar of Dementia by sacrificing Etali.
4. When Etali dies, Yedora triggers, returning Etali from your graveyard to the battlefield face-down as a Forest land.
5. Resolve the Altar of Dementia ability.
6. Holding priority, activate Etali by tapping it, adding .
7. Resolve the Etali trigger from step 2, exiling cards from the top of each library until each player has exiled a nonland card, and causing you to cast any number of those cards without paying its mana cost.
8. For each card cast, Toph's second ability triggers once.
9. Resolve the first Toph trigger, earthbending Etali.
10. Resolve any remaining triggers, earthbending any other lands you desire. If you do not want to earthbend other lands, target Etali with all remaining triggers.
11. Activate Altar of Dementia by sacrificing Etali.
12. When Etali dies, Toph and Yedora trigger.
13. Resolve the Yedora trigger, choosing not to return Etali.
14. Resolve the Toph trigger, returning Etali from your graveyard to the battlefield tapped.
15. Repeat from step 2.
16. Resolve all Altar of Dementia abilities from step 11.