Orvar, the All-Form, Venser, Shaper Savant, and Submerge

Prerequisites

• Orvar, the All-Form on the battlefield
• Venser, Shaper Savant on the battlefield
• Submerge in hand
• An opponent controls a Forest
• You control an Island

Steps

1. Cast Submerge without paying its mana cost, targeting Venser
2. Orvar triggers, creating a token copy of Venser
3. Put either Venser into your graveyard due to the legend rule
4. The token Venser's enter-the-battlefield ability triggers, returning Submerge to your hand
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count