Ancestral Mask + Devoted Druid + Ivy, Gleeful Spellthief + and 2 others

Mana needed: {2}{G}{U}{U}

GU identity

Commander legal

The 5 combo pieces

How to execute it

  1. Cast Retraction Helix by paying {U}, targeting Devoted Druid.
  2. Ivy triggers. Choose not to copy Retraction Helix
  3. Resolve Retraction Helix
  4. Cast Ancestral Mask by paying {2}{G}, targeting Devoted Druid.
  5. Ivy triggers, copying Ancestral Mask twice due to Twinning Staff. Choose to have one copy target Ivy and the other copy target Devoted Druid.
  6. Resolve all three Ancestral Masks, attaching one to Ivy and two to Devoted Druid.
  7. Activate Devoted Druid using the ability given to it by Retraction Helix by tapping it, returning the nontoken Ancestral Mask from the battlefield to your hand.
  8. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  9. Activate Devoted Druid's first ability by tapping it, adding {G}.
  10. Repeat steps 8 and 9 two additional times, then repeat step 8 one additional time.
  11. Repeat from step 4.

What the combo produces