Djinn Illuminatus, Slaughter Pact, and Giggling Skitterspike

Prerequisites

• Djinn Illuminatus on the battlefield
• Slaughter Pact in hand
• Giggling Skitterspike on the battlefield

Steps

1. Cast Slaughter Pact, choosing to pay its replicate cost an arbitrarily large number of times, by paying a total of , targeting Giggling Skitterspike
2. Giggling Skitterspike and Slaughter Pact's replicate ability trigger
3. Resolve the Giggling Skitterspike trigger, dealing damage equal to its power to each opponent
4. Resolve the Slaughter Pact trigger, copying it for each time its replicate cost was paid, with each copy targeting Giggling Skitterspike
5. Giggling Skitterspike triggers for each Slaughter Pact copy made
6. Resolve a Giggling Skitterspike trigger, dealing damage equal to its power to each opponent
7. Repeat step 6 for each remaining trigger

Results

• Infinite damage
• Infinite magecraft triggers