Vhal, Candlekeep Researcher, Cogwork Assembler, and Corridor Monitor

Prerequisites

• Vhal, Candlekeep Researcher on the battlefield
• Cogwork Assembler on the battlefield
• Corridor Monitor on the battlefield
• Vhal has at least seven toughness
• Vhal does not have summoning sickness

Steps

1. Activate Vhal by tapping it, adding at least seven that cannot be used to cast spells from your hand
2. Activate Cogwork Assembler by paying , creating a token copy of Corridor Monitor with haste
3. The Corridor Monitor token enters the battlefield, untapping Vhal
4. Repeat

Results

• Infinite creature tokens with haste
• Infinite ETB
• Infinite LTB