How can you create a combo with Yannik, Scavenging Sentinel, Karmic Guide, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Yannik, Scavenging Sentinel, Karmic Guide, Ashnod's Altar

Color identity: GW
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Yannik, adding {C}{C}.
  2. Yannik leaves the battlefield, returning Karmic Guide from exile to the battlefield.
  3. Karmic Guide enters the battlefield, returning Yannik from your graveyard to the battlefield.
  4. Yannik enters the battlefield, exiling Karmic Guide until Yannik leaves the battlefield and distributing two +1/+1 counters among creatures you control.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on all other creatures you control
  - 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:
  - Yannik, Scavenging Sentinel must be on the battlefield
  - Karmic Guide must be exiled
  - Ashnod's Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant