Malcolm, Keen-Eyed Navigator + Lightning-Rig Crew + Freed from the Real

Malcolm, Keen-Eyed Navigator
Lightning-Rig Crew
Freed from the Real

Requires
All permanents on the battlefield. Freed from the Real attached to Lightning-Rig Crew. Lightning-Rig Crew does not have summoning sickness.
Steps
  1. Tap Lightning-Rig Crew to deal 1 damage to each opponent, creating a treasure for each opponent dealt damage from Malcolm's trigger
  2. Sacrifice a treasure token for u
  3. Activate Freed from the Real to untap Lightning-Rig Crew
  4. Repeat
Results
Infinite damage. Infinite sacrifice triggers. Infinite colored mana.