Teshar, Ancestor's Apostle + Salvager of Ruin + Memnite + Altar of Dementia

Teshar, Ancestor's Apostle
Salvager of Ruin
Memnite
Altar of Dementia

Requires
All permanents on the battlefield.
Steps
  1. Sacrifice Memnite to Altar of Dementia and mill an opponent for 1 card
  2. Target Memnite in your graveyard with Salvager of Ruin, to return it to your hand
  3. Cast Memnite to return Salvager of Ruin to the battlefield with Teshar, Ancestor's Apostle
  4. Repeat
Results
Infinite ETB. Infinite LTB. Infinite mill. Infinite death triggers. Infinite storm count. Infinite sacrifice triggers.