Mirror Sheen, Desperate Ritual, and Devouring Greed

Prerequisites

• Mirror Sheen on the battlefield
• Desperate Ritual in hand
• Devouring Greed in hand
• available

Steps

1. Cast Devouring Greed by paying its mana cost, targeting yourself
2. Holding priority, cast Desperate Ritual by paying its splice cost, adding its effects onto Devouring Greed
3. Holding priority, activate Mirror Sheen by paying , copying Devouring Greed, which also has the effects of Desperate Ritual, targeting an opponent
4. Resolve Devouring Greed, causing an opponent to lose life, and causing you to gain life and add
5. Repeat from step 3

Results

• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite magecraft triggers