Skittering Precursor + Sword of the Meek + Weapons Trainer + Grinding Station

Prerequisites

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Steps

1. 1Activate Grinding Station by tapping it and 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 Weapons Trainer, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Eldrazi Spawn.
4. 4When Sword of the Meek enters the battlefield, Grinding Station triggers, untapping Grinding Station.
5. 5Resolve the Grinding Station ability, causing target player to mill three cards.
6. 6Repeat.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers
• Infinite mill
• Infinite self-mill