Roalesk, Apex Hybrid, Blade of Shared Souls, Sporoloth Ancient, and Gemstone Array

Prerequisites

• Roalesk, Apex Hybrid on the battlefield
• Blade of Shared Souls on the battlefield
• Sporoloth Ancient on the battlefield
• Gemstone Array on the battlefield
• You control at least one additional creature
• Gemstone Array has at least one charge counter on it
• Sporoloth Ancient has at least one spore counter on it
• available

Steps

1. Activate Blade of Shared Souls' equip ability by paying , attaching it to another creature you control
2. Blade of Shared Souls triggers, causing the creature it is attached to to become a copy of Roalesk
3. Put the creature with Blade of Shared Souls attached into your graveyard due to the legend rule
4. The creature triggers, putting two spore counters on Sporoloth Ancient and two charge counters on Gemstone Array
5. Activate Sporoloth Ancient by removing two spore counters from it, creating a 1/1 Saproling creature token
6. Activate Gemstone Array's second ability twice by removing two charge counters from it, adding
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers