Blade of Selves + Hive Mind + Mana Severance + and 2 others

Mana needed: {1}{U}

UB identity

Commander legal

The 5 combo pieces

What must be in place

Blade of Selves attached to Umbris.
Umbris does not have summoning sickness.

How to execute it

  1. Cast Mana Severance by paying {1}{U}.
  2. Hive Mind triggers, causing each opponent to copy Mana Severance.
  3. Resolve each opponent's Mana Severance, searching for and exiling all land cards from their libraries.
  4. Resolve your Mana Severance, choosing not to exile any land cards from your library.
  5. Move to your combat step.
  6. Attack with Umbris.
  7. Umbris triggers, creating a token copy of Umbris for each opponent you have, with each token tapped and attacking a different opponent.
  8. Put all but one Umbris into your graveyard due to the legend rule.
  9. Umbris triggers for each Umbris token that enters and each Umbris token triggers for itself and each other Umbris that enters.
  10. Resolve the Umbris triggers, revealing no lands from opponent libraries and exiling each opponent library.

What the combo produces