Mikaeus, the Unhallowed, Blasting Station, and Solemnity

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Blasting Station on the battlefield
• Solemnity on the battlefield
• You control at least one additional nontoken, non-Human creature that does not have a +1/+1 counter on it

Steps

1. Activate Blasting Station by tapping it and sacrificing the additional creature
2. When the creature dies, its undying ability triggers, returning it to the battlefield from your graveyard with zero +1/+1 counters due to Solemnity
3. When the creature enters the battlefield, Blasting Station triggers, untapping Blasting Station
4. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
5. Repeat

Results

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