Feast of Sanity + Mind Over Matter + Veinwitch Coven

UB identity

Commander legal

The 3 combo pieces

What must be in place

You have at least one creature card in hand.
You control a Swamp.

How to execute it

  1. Activate a Swamp by tapping it, adding {B}.
  2. Activate Mind over Matter by discarding a creature card.
  3. Feast of Sanity triggers, dealing 1 damage to any target and causing you to gain 1 life.
  4. Veinwitch Coven triggers, causing you to pay {B} to return any creature card from your graveyard to your hand.
  5. Resolve the Mind over Matter ability, untapping a Swamp you control.
  6. Repeat.

What the combo produces