Activate Ashnod's Altar by sacrificing any other creature you control, adding {C}{C}.
The creature dies, triggering Vogar's first ability, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
Repeat.

Infinite +1/+1 counters on a creature

Infinite card draw

Infinite colorless mana

Infinite death triggers

Infinite draw triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Vogar, Necropolis Tyrant

Animation Module

Ashnod's Altar

Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from any creature you control, creating a 1/1 Saproling creature token.
Activate Ashnod's Altar by sacrificing the Saproling, adding {C}{C}.
The Saproling dies, triggering Vogar's first ability, putting a +1/+1 counter on Vogar.
Repeat.

Ghave, Guru of Spores

Activate Phyrexian Altar by sacrificing any other creature you control, adding {1}.
The creature dies, triggering Vogar's first ability, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
Repeat.

Phyrexian Altar

Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from any creature you control, creating a 1/1 Saproling creature token.
Activate Phyrexian Altar by sacrificing the Saproling, adding {1}.
The Saproling dies, triggering Vogar's first ability, putting a +1/+1 counter on Vogar.
Repeat.

Activate Krark-Clan Ironworks by sacrificing any other creature you control, adding {C}{C}.
The creature dies, triggering Vogar's first ability, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
Repeat.

Combos with "Vogar, Necropolis Tyrant"