How can you create a combo with Ghave, Guru of Spores, Geralf's Messenger, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Ghave, Guru of Spores, Geralf's Messenger, Phyrexian Altar

Color identity: WBG
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Geralf's Messenger, adding {1}.
  2. Geralf's Messenger undying ability triggers, returning it to the battlefield with al +1/+1 counter on it.
  3. Geralf's Messnger's ETB ability triggers, causing target opponent to lose 2 life.
  4. Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from Geralf's Messenger, creating a 1/1 Saproling creature token.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifeloss
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite +1/+1 counters[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant