Mythos of Illuna, Radiate, and Codex Shredder

Prerequisites

• Mythos of Illuna in hand
• Radiate in hand
• Codex Shredder on the battlefield
• There are permanents on the battlefield that enter the battlefield untapped and produce at least
• available

Steps

1. Cast Mythos of Illuna by paying , targeting anything but Codex Shredder
2. In response, cast Radiate by paying , creating copies of Mythos of Illuna that target each permanent besides the original target
3. Resolve all copies of Mythos of Illuna, creating token copies of each permanent besides the original target
4. Activate the token copy of Codex Shredder by paying , tapping it, and sacrificing it, returning Radiate from your graveyard to your hand
5. Activate the token lands or other mana-producing permanents created in step 3 by tapping them, adding at least
6. Repeat from step 2, doubling the number of copies created in step 3 each repetition

Results

• Infinite copies of all permanents besides Codex Shredder
• Infinite magecraft triggers
• Infinite storm count