How can you create a combo with Muldrotha, the Gravetide, World Shaper, Walk the Aeons, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Muldrotha, the Gravetide, World Shaper, Walk the Aeons, Phyrexian Altar

Color identity: BGU
Mana cost: {6} each turn
Steps:
  1. Activate three Islands by tapping them, adding {U}{U}{U}.
  2. Cast Walk the Aeons with buyback by paying {4}{U}{U} and sacrificing three Islands, causing you to take an extra turn after this one and return Walk the Aeons to your hand.
  3. Activate Phyrexian Altar by sacrificing World Shaper, adding {G}.
  4. World Shaper dies, triggering its second ability, returning all land cards from your graveyard to the battlefield tapped.
  5. Cast World Shaper from your graveyard by paying {3}{G}.
  6. World Shaper enters the battlefield, triggering its first ability, allowing you to mill three cards.
  7. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Muldrotha, the Gravetide must be on the battlefield
  - World Shaper must be on the battlefield
  - Walk the Aeons must be in your hand
  - Phyrexian Altar must be on the battlefield
  - You control at least three Islands.
  - You have not cast a creature spell using Muldrotha this turn.
[END OF COMBO PREREQUISITES]
assistant