Chakram Retriever, Leyline Immersion, and Clockspinning

Prerequisites

• Chakram Retriever on the battlefield
• Leyline Immersion on the battlefield
• Clockspinning in hand
• Leyline Immersion attached to a legendary creature you control without summoning sickness

Steps

1. Activate the creature with Leyline Immersion attached by tapping it, adding that can only be spent to cast spells
2. Cast Clockspinning with buyback by paying , targeting Chakram Retriever
3. Chakram Retriever triggers, causing you to untap the creature with Leyline Immersion attached
4. Resolve Clockspinning, returning it to your hand
5. Repeat
6. Once you have infinite mana, you may target another creature with Clockspinning to get infinite proliferate, or you may use Chakram Retriever's ability to untap any other creature(s) you control

Results

• Infinite colored mana that can only be spent to cast spells
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite proliferate
• Infinite storm count
• Infinite untap of creatures you control