Norman Osborn // Green Goblin, Hullbreaker Horror, and Witch-king of Angmar

Prerequisites

• Norman Osborn // Green Goblin on the battlefield
• Hullbreaker Horror on the battlefield
• Witch-king of Angmar on the battlefield

Steps

1. Activate Witch-king of Angmar by discarding a nonland permanent card that costs or less
2. Cast the permanent from your graveyard for its mayhem cost by paying due to Green Goblin
3. Hullbreaker Horror trigger, returning another nonland permaennt that costs 2 or less from the battlefield to your hand
4. Resolve the spell from step 2
5. Repeat

Results

• Infinite self-discard triggers
• Infinite storm count