Abandoned Sarcophagus, Infinite Reflection, Hollow One, and Catalyst Elemental

Prerequisites

• Abandoned Sarcophagus on the battlefield
• Infinite Reflection on the battlefield
• Hollow One in hand or in the graveyard
• Catalyst Elemental on the battlefield
• Infinite Reflection attached to Catalyst Elemental
• You have discarded at least two cards this turn
• (at most) available

Steps

1. Cast Hollow One either from your hand or from your graveyard by paying at most , causing it to enter the battlefield as a copy of Catalyst Elemental due to Infinite Reflection
2. Activate Hollow One by sacrificing it, adding
3. If you cast Hollow One from your graveyard, Hollow One is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Hollow One's cycling ability
4. Repeat

Results

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