Intruder Alarm + Biogenic Ooze

Intruder Alarm

Biogenic Ooze

How it works

1. Activate creatures you control by tapping them, adding at least 1.
2. Activate Biogenic Ooze by paying 1, creating a 2/2 Ooze creature token.
3. The Ooze enters the battlefield, triggering Intruder Alarm, untapping all creatures.
4. Repeat.
5. If you can produce at least one additional mana in step 1, this combo produces infinite mana.

This engine transforms your creature base into a self-sustaining manufacturing line by pairing Biogenic Ooze's token-making activation with the global untap trigger of Intruder Alarm. As long as your creatures can tap to produce the required mana to pay for the Ooze's ability, every new token that hits the battlefield untaps your entire board so you can tap them all over again. The Ooze's initial entry also provides the first token to help kickstart the chain, while the Alarm's static ability ensures the battlefield ignores normal untap steps in favor of your infinite loop.