How can you create a combo with Denry Klin, Editor in Chief, Kithkin Spellduster, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Denry Klin, Editor in Chief, Kithkin Spellduster, Ashnod's Altar

Color identity: WU
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Kithkin Spellduster, adding {C}{C}.
  2. Kithkin Spellduster dies, triggering its persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Kithkin Spellduster enters the battlefield, triggering Denry Klin, putting a +1/+1 counter on Kithkin Spellduster.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless 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
  - Denry Klin has at least one +1/+1 counter on it.
  - Kithkin Spellduster does not have a -1/-1 counter on it.
[END OF COMBO PREREQUISITES]
assistant