Fear of Missing Out, and Helm of the Host

Prerequisites

• Fear of Missing Out on the battlefield
• Helm of the Host on the battlefield

Steps

1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Fear of Missing Out with haste
2. When the Fear of Missing Out token enters, its first ability triggers, causing you to rummage
3. Declare the token Fear of Missing Out as an attacker
4. It triggers, untapping another creature you control and causing you to get an additional combat phase after this one
5. Repeat

Results

• Infinite draw triggers
• Infinite rummaging
• Infinite self-discard triggers
• Near-infinite ETB
• Near-infinite combat phases
• Near-infinite mana creatures you control can produce
• Near-infinite tapped creature tokens
• Near-infinite untap of creatures you control