Raggadragga, Goreguts Boss, Selvala, Heart of the Wilds, and Wurmcalling

Prerequisites

• Raggadragga, Goreguts Boss on the battlefield
• Selvala, Heart of the Wilds on the battlefield
• Wurmcalling in hand
• Selvala does not have summoning sickness
• (at most) available

Steps

1. Activate Selvala by paying and tapping it, adding an amount of equal to the greatest power among creatures you control
2. Cast Wurmcalling with buyback by paying a total of at least
3. Raggadragga's third ability triggers, giving Selvala +7/+7 until end of turn and untapping Selvala
4. Resolve Wurmcalling, creating a Wurm creature token and returning Wurmcalling to your hand
5. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite ETB
• Infinitely large creatures until end of turn
• Infinite magecraft triggers
• Infinite storm count