Roalesk, Apex Hybrid, Blade of Shared Souls, Basking Broodscale, and Pentad Prism

Prerequisites

• Roalesk, Apex Hybrid on the battlefield
• Blade of Shared Souls on the battlefield
• Basking Broodscale on the battlefield
• Pentad Prism on the battlefield
• You control at least one additional creature
• Basking Broodscale has at least one +1/+1 counter on it
• Pentad Prism has at least one charge 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 +1/+1 counters on Basking Broodscale and two charge counters on Pentad Prism
5. Basking Broodscale triggers twice, creating two 0/1 Eldrazi Spawn creature tokens
6. Activate Pentad Prism twice by removing two charge counters from it, adding
7. Repeat
8. Alternatively, you may only remove one counter from Pentad Prism and sacrifice an Eldrazi Spawn instead

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite creature tokens
• Infinite proliferate
• Infinite charge counters on Pentad Prism
• Infinite +1/+1 counters on Basking Broodscale