Cast Timeline Culler either from your hand or from your graveyard for its warp cost by paying {B} and 2 life.
Activate Phyrexian Altar by sacrificing Timeline Culler, adding {B}.
When Timeline Culler dies, Vein Ripper triggers, causing you to gain 2 life and target opponent to lose 2 life.
Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite creature sacrifice triggers

Infinite death triggers

Infinite lifegain triggers

Infinite storm count

Infinite lifeloss

Timeline Culler

Phyrexian Altar

Vein Ripper

Cast Timeline Culler from your hand by paying {B}{B} or from your graveyard or hand for its warp cost by paying {B} 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}.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite damage

Infinite lifegain

Aetherflux Reservoir

Cast Timeline Culler from your hand by paying {B}{B} or from your graveyard or hand for its warp cost by paying {B} and 2 life.
Aetherflux Reservoir, causing you to gain 1 life for each spell you've cast this turn.
Activate Warren Soultrader by paying 1 life and sacrificing Timeline Culler, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Repeat.

Warren Soultrader

Cast Timeline Culler either from your hand or from your graveyard for its warp cost by paying {B} and 2 life.
When Timeline Culler enters the battlefield, Angelic Chorus triggers, causing you to gain 2 life. 
Activate Phyrexian Altar by sacrificing Timeline Culler, adding {B}.
Repeat.

Angelic Chorus

Combos with "Timeline Culler"