Squirrel Nest + Intruder Alarm + Vizier of Tumbling Sands

Squirrel Nest

Intruder Alarm

Vizier of Tumbling Sands

How it works

1. Activate the land with Squirrel Nest attached by tapping it, creating a 1/1 Squirrel creature token.
2. When the Squirrel enters, Intruder Alarm triggers, untapping all creatures.
3. Activate Vizier of Tumbling Sands by tapping it, untapping the land with Squirrel Nest attached.
4. Repeat.

This loop is a masterclass in turning a single creature entry into a domino effect of untaps, brilliantly orchestrated by Intruder Alarm. Every time Squirrel Nest produces a new token, the Alarm wakes up the entire board, including Vizier of Tumbling Sands, whose tap ability can then untap your enchanted land to keep the cycle going. Vizier of Tumbling Sands even brings a backup cycling utility if you need to jumpstart the engine from the graveyard, though its active tapping here is what truly seals the infinite token army.