Curator Beastie, Lesser Masticore, and Blasting Station

Prerequisites

• Curator Beastie on the battlefield
• Lesser Masticore on the battlefield
• Blasting Station on the battlefield
• Lesser Masticore does not have a -1/-1 counter on it

Steps

1. Activate Blasting Station by tapping it and sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it due to Curator Beastie
3. When Lesser Masticore enters the battlefield, Blasting Station triggers, untapping Blasting Staiton
4. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage