Jetmir, Nexus of Revels, Skittering Precursor, Sword of the Meek, and Lithatog

Prerequisites

• Jetmir, Nexus of Revels on the battlefield
• Skittering Precursor on the battlefield
• Sword of the Meek on the battlefield
• Lithatog on the battlefield
• You control no more than two additional creatures

Steps

1. Activate Lithatog's first ability by sacrificing Sword of the Meek
2. Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token
3. When the Eldrazi Spawn enters the battlefield as a 1/1 due to Jetmir, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Eldrazi Spawn
4. Resolve the Lithatog ability, giving it +1/+1 until end of turn
5. Activate the Eldrazi Spawn by sacrificing it, adding
6. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinitely large Lithatog until end of turn
• Infinite sacrifice triggers