Skittering Precursor + Sword of the Meek + Domri, Anarch of Bolas + Extruder

Prerequisites

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Steps

1. 1Activate Extruder by sacrificing Sword of the Meek.
2. 2Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token.
3. 3When the Eldrazi Spawn enters the battlefield as a 1/1 due to Domri, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Eldrazi Spawn.
4. 4Resolve the Extruder ability, putting a +1/+1 counter on a creature you control.
5. 5Repeat.

Effects

• Infinite +1/+1 counters on creatures you control
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers