Koll, the Forgemaster + Deathrender + Skirk Prospector

Koll, the Forgemaster

Deathrender

Skirk Prospector

How it works

1. Activate Skirk Prospector by sacrificing it, adding .
2. When Skirk Prospector dies, Koll and Deathrender trigger.
3. Resolve the Koll trigger, returning Skirk Prospector from your graveyard to your hand.
4. Resolve the Deathrender trigger, putting Skirk Prospector from your hand onto the battlefield and attaching Deathrender to it.
5. Repeat.