Rograkh, Son of Rohgahh, Krark, the Thumbless, Skyfire Phoenix, Cloudstone Curio, and Phyrexian Altar

Prerequisites

• Rograkh, Son of Rohgahh in hand or in the command zone
• Krark, the Thumbless on the battlefield
• Skyfire Phoenix on the battlefield
• Cloudstone Curio on the battlefield
• Phyrexian Altar on the battlefield
• Rograkh and You have enough mana to pay for Rograkh's commander tax, if applicable

Steps

1. Activate Phyrexian Altar by sacrificing Skyfire Phoenix, adding
2. Cast Rograkh either from your hand or from the command zone by paying plus commander tax, if applicable
3. Skyfire Phoenix triggers, returning itself to the battlefield from your graveyard
4. When Skyfire Phoenix enters the battlefield, Cloudstone Curio triggers, returning Krark to your hand from the battlefield
5. When Rograkh enters the battlefield, Cloudstone Curio triggers, returning nothing to your hand from the battlefield
6. Activate Phyrexian Altar by sacrificing Skyfire Phoenix, adding
7. Cast Krark by paying
8. Skyfire Phoenix triggers, returning itself to the battlefield from your graveyard
9. When Skyfire Phoenix enters the battlefield, Cloudstone Curio triggers, returning Rograkh to your hand from the battlefield
10. When Krark enters the battlefield, Cloudstone Curio triggers, returning nothing to your hand from the battlefield
11. Repeat

Results

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