Unstoppable Slasher + The Mycosynth Gardens + Amulet of Vigor + Phyrexian Altar

Prerequisites

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Steps

1. 1Activate The Mycosynth Gardens' third ability by paying and tapping it, causing it to become a copy of Amulet of Vigor.
2. 2Activate Phyrexian Altar by sacrificing Unstoppable Slasher.
3. 3When Unstoppable Slasher dies, its second ability triggers, returning it from your graveyard to the battlefield with two stun counters on it.
4. 4When Unstoppable Slasher enters, Amulet of Vigor and The Mycosynth Gardens trigger, untapping Unstoppable Slasher twice, which will instead remove both stun counters from Unstoppable Slasher.
5. 5Repeat from step 2.

Effects

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