Staff of Domination, and Axebane Guardian

Prerequisites

• Staff of Domination on the battlefield
• Axebane Guardian on the battlefield
• Axebane Guardian does not have summoning sickness
• You control at least five creatures with defender

Steps

1. Activate Axebane Guardian by tapping it, adding at least five mana of any color
2. Activate Staff of Domination's third ability by paying and tapping it, untapping Axebane Guardian
3. Activate Staff of Domination's first ability by paying , untapping it
4. Repeat

Results

• Infinite colored mana
• Infinite lifegain triggers
• Infinite lifegain
• Infinite card draw
• Infinite untap of creatures you control
• Infinite draw triggers
• Infinite mana creatures you control can produce