Gretchen Titchwillow + Mind Over Matter + Nykthos, Shrine to Nyx

Mana needed: {2}{G/U}

GU identity

Commander legal

The 3 combo pieces

What must be in place

Your devotion to green is at least two.
Your combined devotion to blue and green is at least twelve.

How to execute it

  1. Activate Nykthos' second ability by paying {2} and tapping it, adding an amount of {G} or {U} equal to your devotion to that color.
  2. Activate Gretchen by tapping {2}{G}{U}, causing you to draw a card.
  3. Activate Mind Over Matter by discarding a card, untapping Nykthos.
  4. Repeat, alternating the colors of mana you add using Nykthos.

What the combo produces