Agatha of the Vile Cauldron + Nivix Guildmage + Unexpected Windfall

Mana needed: {2}{U}{R}{R}{R}

GUR identity

Commander legal

The 3 combo pieces

What must be in place

You have at least one additional card in hand.
Agatha of the Vile Cauldron has power 2 or greater.

How to execute it

  1. Cast Unexpected Windfall by paying {2}{R}{R} and discarding a card.
  2. Holding priority, activate Nivix Guildmage's second ability by paying {U}{R}, copying Unexpected Windfall.
  3. Resolve the copy of Unexpected Windfall, creating two Treasure artifact tokens and causing you to draw two cards.
  4. Activate both Treasures by tapping and sacrificing them, adding {U}{R}.
  5. Repeat from step 2.

What the combo produces