Agatha of the Vile Cauldron + Knacksaw Clique + Tazri, Stalwart Survivor

WUBRG identity

Commander legal

The 3 combo pieces

What must be in place

Knacksaw Clique does not have summoning sickness.
Agatha of the Vile Cauldron has power 1 or greater.

How to execute it

  1. Activate Knacksaw Clique by tapping it, adding {U} that can only be spent to activate abilities.
  2. Activate Knacksaw Clique by paying {U} and untapping it, exiling the top card of an opponent's library with the ability to cast that card this turn.
  3. Repeat.

What the combo produces