Ulalek, Fused Atrocity, Drowner of Truth // Drowned Jungle, and Liberator, Urza's Battlethopter

Prerequisites

• Ulalek, Fused Atrocity on the battlefield
• Drowner of Truth // Drowned Jungle in hand
• Liberator, Urza's Battlethopter on the battlefield
• undefined plus enough mana to cast the additional Eldrazi spell available

Steps

1. Cast any other Eldrazi except Drowner of Truth by paying its mana cost, triggering Ulalek
2. Holding priority, cast Drowner of Truth by paying
3. Drowner of Truth and Ulalek trigger
4. Resolve the Ulalek trigger, causing you to pay to copy all spells you control and then copy all activated and triggered abilities you control, ensuring to put Drowner of Truth's trigger on top of Ulalek's trigger
5. Resolve the copy of Drowner of Truth's trigger, creating two 0/1 Eldrazi Spawn creature tokens
6. Activate the Eldrazi Spawns by sacrificing them, adding
7. Resolve the copy of Ulalek's trigger, causing you to pay to copy all spells you control and then copy all activated and triggered abilities you control, ensuring to put Drowner of Truth's trigger on top of Ulalek's trigger
8. Repeat from step 5

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens
• Infinite copies of abilities you control on the stack
• Infinite copies of the cast Eldrazi