How can you create a combo with Weaver of Harmony, Bear Umbra, Maze of Ith?
user
[START OF COMBO]This combo can be formed with Weaver of Harmony, Bear Umbra, Maze of Ith

Color identity: G
Mana cost: 
Steps:
  1. Declare Weaver of Harmony as an attacker, triggering its ability.
  2. Holding priority, activate any number of mana-producing lands you control by tapping them, adding {1}{G}.
  3. Activate Maze of Ith by tapping it, untapping Weaver of Hamony.
  4. Activate Weaver of Harmony by paying {G} and tapping it, copying the Weaver of Harmony trigger from step 1.
  5. Resolve the copy of the Weaver of Harmony trigger, untapping all lands you control.
  6. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite mana lands you control can produce
  - Infinite untap of lands you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Bear Umbra attached to Weaver of Harmony.
  - Weaver of Harmony does not have summoning sickness.
  - Lands you control can tap to produce at least {1}{G}.
[END OF COMBO PREREQUISITES]
assistant