How can you create a combo with Kenrith, the Returned King, Peregrine Drake, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Kenrith, the Returned King, Peregrine Drake, Altar of Dementia

Color identity: WUBRG
Mana cost: {4}{U}
Steps:
  1. Cast Peregrine Drake.
  2. When Peregrine Drake enters the battlefield, untap five lands.
  3. Sacrifice Peregrine Drake to Altar of Dementia to mill target player 2.
  4. Activate Kenrith's last ability, returning Peregrine Drake from your graveyard to the battlefield.
  5. Tap 5 lands you control for {4}{B}.
  6. Repeat steps 2 to 5.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Kenrith, the Returned King must be on the battlefield
  - Peregrine Drake must be in your hand
  - Altar of Dementia must be on the battlefield
  - Five or less lands that can tap for {4}{B}.
[END OF COMBO PREREQUISITES]
assistant