Herd Baloth, Intruder Alarm, Steel Overseer, and Biotransference

Prerequisites

• Herd Baloth on the battlefield
• Intruder Alarm on the battlefield
• Steel Overseer on the battlefield
• Biotransference on the battlefield
• Steel Overseer does not have summoning sickness

Steps

1. Activate Steel Overseer by tapping it, putting +1/+1 counter on each artifact creature you control
2. Herd Baloth triggers, creating a 4/4 Beast creature token
3. The Beast enters the battlefield, triggering Intruder Alarm, untapping all creatures
4. Repeat from step 2

Results

• Infinite +1/+1 counters
• Infinite creature tokens
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures