Haakon, Stromgald Scourge, Changeling Outcast, and Basal Sliver

Prerequisites

• Haakon, Stromgald Scourge on the battlefield
• Changeling Outcast on the battlefield
• Basal Sliver on the battlefield

Steps

1. Activate Changeling Outcast by sacrificing it, adding
2. Cast Changeling Outcast from your graveyard by paying
3. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite black mana