Knacksaw Clique, Quicksilver Elemental, and Smokebraider

Prerequisites

• Knacksaw Clique on the battlefield
• Quicksilver Elemental on the battlefield
• Smokebraider on the battlefield
• Quicksilver Elemental does not have summoning sickness
• available

Steps

1. Activate Quicksilver Elemental twice by paying , causing it to gain the activated abilities of Smokebraider and Knacksaw Clique until end of turn
2. Activate Quicksilver Elemental using Smokebraider's ability by tapping it, adding that can only be spent to cast Elemental spells or to activate abilities of Elementals
3. Activate Quicksilver Elemental using Knacksaw Clique's ability by paying and untapping it, causing target opponent to exile the top card of their library
4. Repeat from step 2

Results

• Exile each opponent's library