The Watcher in the Water, Verity Circle, and Junk Winder

Prerequisites

• The Watcher in the Water on the battlefield
• Verity Circle on the battlefield
• Junk Winder on the battlefield
• An opponent controls a creature without flying
• each turn available

Steps

1. During an opponent's turn, after their untap step, activate Verity Circle by paying , tapping target creature an opponent controls without flying
2. Verity Circle triggers, causing you to draw a card
3. The Watcher in the Water's first ability triggers, creating a 1/1 Tentacle creature token
4. When the Tentacle enters the battlefield, Junk Winder triggers, tapping target creature an opponent controls
5. Repeat from step 2 for each remaining creature opponents control
6. Repeat from step 1 after each of your turns

Results

• Creatures opponents control do not untap during their controller's untap step
• Tap all creatures opponents control