Your life total is 2 or higher, plus an additional 2 life if you cast
Timeline Culler using its warp ability.
Mana Needed
({B} magic symbol) ({B} magic symbol) at most available.
Steps
Cast
Timeline Culler from your hand by paying ({B} magic symbol) ({B} magic symbol) or from your graveyard or hand for its warp cost by paying ({B} magic symbol) and 2 life.
Aetherflux Reservoir, causing you to gain 1 life for each spell you've cast this turn.
Activate
Phyrexian Altar by sacrificing
Timeline Culler, adding ({B} magic symbol) .
Repeat.
Notes
The amount of life and mana you need to start the combo varies based on how many spells you've cast this turn and where
Timeline Culler starts. The life pre-requisite assumes you've cast no spells this turn. If you start by casting
Timeline Culler using its warp ability, the starting mana will be ({B} magic symbol) instead. Once you have infinite life, you can activate