Agatha's Soul Cauldron + Geralf, the Fleshwright + Mystic Speculation + Vivi Ornitier

Mana needed: {2}{U}

UR identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Mystic Speculation with buyback by paying {2}{U}.
  2. Geralf triggers, creating a 2/2 Zombie Rogue creature token.
  3. When the Zombie Rogue enters the battlefield, Geralf's second ability triggers, putting a +1/+1 counter on the Zombie Rogue for each other Zombie that entered the battlefield under your control this turn.
  4. Resolve the Mystic Speculation spell, returning it to your hand.
  5. Activate the Zombie Rogue using Vivi's ability by paying {0}, adding at least {2}{U}
  6. Repeat.

What the combo produces