Krenko, Baron of Tin Street + Leyline of Transformation + Magda, Brazen Outlaw

UR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Tap a creature using any method.
  2. Magda triggers, as the creature is a Dwarf due to Leyline of Transformation, creating a Treasure token.
  3. Activate the Treasure by tapping and sacrificing it, adding {R}.
  4. Krenko triggers, causing you to pay {R} to create a 1/1 Goblin creature token and giving it haste until end of turn.
  5. Repeat, tapping the Goblin instead.

What the combo produces