Chakram Retriever, Leyline Immersion, and Seething Anger

Prerequisites

• Chakram Retriever on the battlefield
• Leyline Immersion on the battlefield
• Seething Anger 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 Seething Anger with buyback by paying , targeting Chakram Retriever
3. Chakram Retriever triggers, causing you to untap the creature with Leyline Immersion attached
4. Resolve Seething Anger, giving Chakram Retriever +3/+0 until end of turn and returning Seething Anger to your hand
5. Repeat
6. Once you have infinite mana, you may target another creature with Seething Anger to get infinitely powerful creatures until end of turn, 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
• Infinitely powerful creatures until end of turn
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control