Gravedigger Combos
Deathrender + Gravedigger + Eternal Witness
Combo result
Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite death triggers. Infinite mill.
Prerequisites
Deathrender on the battlefield. Altar on the battlefield. Gravedigger/Eternal Witness in opposite locations; one on the battlefield and the other in your hand. Deathrender equipped to creature on the battlefield.