Devastating Onslaught, Mana Geyser, and Skullwinder

Prerequisites

• Devastating Onslaught in hand
• Mana Geyser in hand
• Skullwinder on the battlefield
• available

Steps

1. Cast Mana Geyser by paying , adding for each tapped land your opponents control
2. Cast Devastating Onslaught by paying , creating two token copies of Skullwinder with haste
3. When the Skullwinder tokens enter, they trigger, returning Mana Geyser and Devastating Onslaught from your graveyard to your hand
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite red mana
• Infinite creature tokens with haste
• Infinite magecraft triggers
• Target opponent returns all cards in their graveyard to their hand