Charnelhoard Wurm + Klauth, Unrivaled Ancient + Relentless Assault

Prerequisites

• Charnelhoard Wurm does not have summoning sickness.
• Klauth and Charnelhoard Wurm cannot be blocked by an opponent.

Steps

1. 1Declare Charnelhoard Wurm and Klauth as attackers.
2. 2Klauth triggers, adding at least that can only be spent to cast spells.
3. 3Deal combat damage to an opponent using Charnelhoard Wurm.
4. 4Charnelhoard Wurm triggers, returning Relentless Assault from your graveyard to your hand.
5. 5Cast Relentless Assault by paying , causing you to untap all creatures that attacked this turn and to get an additional combat and main phase after this one.
6. 6Repeat.

Effects

• Infinite colored mana that can only be spent to cast spells
• Infinite combat damage
• Infinite combat phases
• Infinite magecraft triggers
• Infinite storm count