Rootha, Mercurial Artist, Sneak Attack, and Desperate Ritual

Prerequisites

• Rootha, Mercurial Artist on the battlefield
• Sneak Attack on the battlefield
• Desperate Ritual in hand
• available

Steps

1. Cast Desperate Ritual by paying
2. Holding priority, activate Rootha by paying and returning it from the battlefield to your hand, copying Desperate Ritual
3. Resolve the copy of Desperate Ritual, adding
4. Activate Sneak Attack by paying , putting Rootha from your hand onto the battlefield
5. Repeat from step 2
6. If you have another Arcane card in hand, you may either cast that card and splice Desperate Ritual onto it, or splice it onto Desperate Ritual to get infinite copies of the effect(s)

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers