Urban Daggertooth, Pestilence, and Gemstone Array

Prerequisites

• Urban Daggertooth on the battlefield
• Pestilence on the battlefield
• Gemstone Array on the battlefield
• Gemstone Array has at least one charge counter
• Urban Daggertooth has at least one +1/+1 counter
• You have the highest life total
• available

Steps

1. Activate Pestilence by paying , dealing 1 damage to each creature and each player
2. Urban Daggertooth triggers, putting a +1/+1 counter on Urban Daggertooth and a charge counter on Gemstone Array
3. Activate Gemstone Array's second ability by removing a charge counter from it, adding
4. Repeat

Results

• Infinite damage
• Infinite proliferate