How can you create a combo with Feral Ghoul, Animation Module, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Feral Ghoul, Animation Module, Phyrexian Altar

Color identity: B
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing an additional creature, adding {1}.
  2. When the creature dies, Feral Ghoul's first ability triggers, putting a +1/+1 counter on it.
  3. Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
  4. Repeat.
  5. Once you have infinite +1/+1 counters on Feral Ghoul, you may sacrifice it to give opponents infinite rad counters, which will cause them to mill their library and lose a large amount of life during their next precombat main phase.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Feral Ghoul
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite rad counters for opponents
  - Infinite sacrifice triggers
  - Near-infinite lifeloss[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least one additional creature.
[END OF COMBO PREREQUISITES]
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