Jeska's Will, Rootha, Mercurial Artist, and Sneak Attack

Prerequisites

• Jeska's Will in hand
• Rootha, Mercurial Artist on the battlefield
• Sneak Attack on the battlefield
• An opponent has at least three cards in hand
• available

Steps

1. Cast Jeska's Will by paying
2. Holding priority, activate Rootha by paying and returning it from the battlefield to your hand, copying Jeska's Will
3. Resolve the copy of Jeska's Will, adding at least
4. Activate Sneak Attack by paying , putting Rootha from your hand onto the battlefield
5. Repeat from step 2
6. If an opponent has four or more cards in hand, this combo nets infinite red mana
7. If you control your commander, you may also select both of Jeska's Will's modes when casting it to exile your library with the ability to play the exiled cards this turn

Results

• Exile your library
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite red mana