Clever Conjurer + Freed from the Real + Fertile Ground

Clever Conjurer
Freed from the Real
Fertile Ground

Requires
All permanents on the battlefield. Freed from the Real attached to Clever Conjurer. Fertile Ground attached to a land you control. Clever Conjurer does not have summoning sickness.
Steps
  1. Activate the land with Fertile Ground attached, adding at least 1
  2. Fertile Ground triggers, adding u
  3. Activate Clever Conjurer by tapping it, untapping the land
  4. Activate Freed from the Real's second ability by paying u, untapping Clever Conjurer
  5. Repeat
Results
Infinite mana lands you control can produce. Infinite untap of permanents you control.