Reset, and Izzet Guildmage

Prerequisites

• Reset in hand
• Izzet Guildmage on the battlefield
• You control lands that can produce at least
• An additional available

Steps

1. During an opponent's turn, cast Reset by paying
2. In response, activate Izzet Guildmage's first ability by paying , copying Reset
3. Allow the Reset copy to resolve, untapping your lands
4. Activate those lands by tapping them, adding at least
5. Repeat from step 2
6. If your lands can produce at least one additional mana, this combo produces infinite mana
7. Once you have infinite mana, you may activate Izzet Guildmage's abilities any number of times

Results

• Infinite copies of instant and sorcery spells on the stack with mana value 2 or less that you control
• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite untap of lands you control