How can you create a combo with Koll, the Forgemaster, Deathrender, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Koll, the Forgemaster, Deathrender, Phyrexian Altar

Color identity: RW
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing the creature with Deathrender attached, adding one mana of any color.
  2. When the creature dies, Koll and Deathrender trigger.
  3. Resolve the Koll trigger, returning the creature from your graveyard to your hand.
  4. Resolve the Deathrender trigger, putting the creature from your hand onto the battlefield and attaching Deathrender to it.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - 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
  - Deahrender attached to another nontoken creature you control.
[END OF COMBO PREREQUISITES]
assistant