How can you create a combo with Surrak and Goreclaw, Woodfall Primus, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Surrak and Goreclaw, Woodfall Primus, Phyrexian Altar

Color identity: G
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Woodfall Primus, adding one mana of any color.
  2. When Woodfall Primus dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. When Woodfall Primus enters the battlefield, it and Surrak and Goreclaw triggers.
  4. Resolve the Surrak and Goreclaw trigger, putting a +1/+1 counter on Woodfall Primus and giving it haste until end of turn.
  5. Holding priority, repeat from step 1.[END OF COMBO STEPS]

Result:
  - Destroy any number of noncreature permanents
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Woodfall Primus does not have a -1/-1 counter on it.
[END OF COMBO PREREQUISITES]
assistant