Ancient Adamantoise + Nim Deathmantle + Blasting Station + Amulet of Vigor

Ancient Adamantoise

Nim Deathmantle

Blasting Station

Amulet of Vigor

How it works

1. Activate Blasting Station by tapping it and sacrificing Ancient Adamantoise.
2. When Ancient Adamantoise dies, it and Nim Deathmantle trigger.
3. Resolve the Nim Deathmantle trigger, causing you to pay 4 to return Ancient Adamantoise from your graveyard to the battlefield and attach Nim Deathmantle to it.
4. When Ancient Adamantoise enters the battlefield, Blasting Station triggers, untapping Blasting Station.
5. Resolve the Ancient Adamantoise trigger, creating ten tapped Treasure tokens.
6. When the Treasures enter, Amulet of Vigor triggers ten times, untapping the Treasures.
7. Resolve the Blasting Station ability from step 1.
8. Activate four Treasures by tapping and sacrificing them, adding 4.
9. Repeat.