Imotekh the Stormlord + Salvaging Station + Grinding Station

Imotekh the Stormlord

Salvaging Station

Grinding Station

How it works

1. Activate Grinding Station by tapping it and sacrificing the artifact with mana value 1 or less.
2. Activate Salvaging Station by tapping it, returning the artifact from your graveyard to the battlefield.
3. Imotekh's first ability and Grinding Station trigger.
4. Resolve the Grinding Station trigger, untapping it.
5. Resolve the Imotekh trigger, creating two 2/2 Necron Warrior artifact creature tokens.
6. When the Necron Warriors enter the battlefield, Salvaging Station triggers twice, untapping Salvaging Station.
7. Repeat.