Knacksaw Clique, Grand Architect, and Mycosynth Lattice

Prerequisites

• Knacksaw Clique on the battlefield
• Grand Architect on the battlefield
• Mycosynth Lattice on the battlefield
• Knacksaw Clique does not have summoning sickness
• available

Steps

1. Activate Grand Architect's first ability making Knacksaw Clique blue until end of turn
2. Tap Knacksaw Clique to add
3. Untap Knacksaw Clique, exiling the top card of target opponent's library
4. Repeat steps 2-3

Results

• Exile each opponents' library