Ashnod's Altar + Restless Apparition + Thran Vigil

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Restless Apparition.
2. 2When Restless Apparition dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3Thran Vigil triggers, putting a +1/+1 counter on Restless Apparition.
4. 4Repeat.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers