Grand Architect, Staff of Domination, and Mightstone's Animation

Prerequisites

• Grand Architect on the battlefield
• Staff of Domination on the battlefield
• Mightstone's Animation on the battlefield
• Mightstone's Animation attached to Staff of Domination
• available

Steps

1. Activate Grand Architect's first ability by paying , causing Staff of Domination to become blue until end of turn
2. Activate Grand Architect's second ability by tapping Staff of Domination, adding that can only be spent to cast artifact spells or to activate abilities of artifacts
3. Activate Staff of Domination's first ability by paying , untapping it
4. Repeat from step 2
5. Once you have infinite mana, you may instead tap Staff of Domination using its other abilities if it does not have summoning sickness

Results

• Infinite card draw
• Infinite colorless mana that can only be spent to activate abilities of artifacts
• Infinite colorless mana that can only be spent to cast artifact spells
• Infinite draw triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control