Corridor Monitor, Blade of Selves, Strionic Resonator, and Thran Dynamo

Prerequisites

• Corridor Monitor on the battlefield
• Blade of Selves on the battlefield
• Strionic Resonator on the battlefield
• Thran Dynamo on the battlefield
• Blade of Selves attached to Corridor Monitor
• Corridor Monitor does not have summoning sickness
• You have at least three opponents

Steps

1. Declare Corridor Monitor as an attacker, triggering its myriad ability
2. Holding priority, activate Thran Dynamo by tapping it, adding
3. Activate Strionic Resonator by paying and tapping it, copying Corridor Monitor's myriad trigger
4. Resolve the copy of Corridor Monitor's myriad trigger, creating a token copy of Corridor Monitor that is tapped and attacking each other opponent
5. The Corridor Monitor tokens enter the battlefield, untapping Thran Dynamo and Strionic Resonator
6. Repeat from step 2

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB