the front side of Weaver of Harmony
the back of a classic MtG card
the front side of Bear Umbra
the back of a classic MtG card
the front side of Maze of Ith
the back of a classic MtG card

Color Identity: G

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Bear Umbra attached to Weaver of Harmony.
  2. Weaver of Harmony does not have summoning sickness.
  3. Lands you control can tap to produce at least one generic manaone green mana.

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 one generic manaone green mana.
  3. Activate Maze of Ith by tapping it, untapping Weaver of Hamony.
  4. Activate Weaver of Harmony by paying one green mana 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.

Results

  1. Infinite mana lands you control can produce.
  2. Infinite untap of lands you control.
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