Emrakul, the Aeons Torn + Erratic Portal

Mana needed: {16} each turn plus enough mana to pay commander tax on the first turn, if applicable

C identity

The 2 combo pieces

How to execute it

  1. Cast Emrakul by paying {15} and commander tax, if applicable.
  2. Emrakul triggers, causing you to get an extra turn after this one.
  3. Activate Erratic Portal by paying {1} and tapping it, choosing not to pay and return Emrakul from the battlefield to your hand.
  4. Repeat each turn.

What the combo produces