Adarkar Valkyrie, Thornbite Staff, and Blasting Station

Prerequisites

• Adarkar Valkyrie on the battlefield
• Thornbite Staff on the battlefield
• Blasting Station on the battlefield
• Adarkar Valkyrie does not have summoning sickness
• You control at least one additional nontoken creature

Steps

1. Activate Adarkar Valkyrie by tapping it, targeting another nontoken creature you control
2. Activate Blasting Station by tapping it and sacrificing the creature targeted in step 1
3. When the creature dies, Adarkar Valkyrie triggers twice
4. Resolve the first trigger, untapping Adarkar Valkyrie
5. Resolve the second trigger, returning the sacrificed creature from your graveyard to the battlefield
6. When the creature enters the battlefield, Blasting Station triggers, untapping Blasting Station
7. Resolve the Blasting Station ability from step 2, dealing 1 damage to any target
8. Repeat

Results

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