Golgari Thug + Grim Haruspex + Ashnod's Altar + Pitiless Plunderer

Golgari Thug

Grim Haruspex

Ashnod's Altar

Pitiless Plunderer

How it works

1. Activate Ashnod's Altar by sacrificing Golgari Thug, adding CC.
2. Golgari Thug dies, triggering itself, Grim Haruspex, and Pitiless Plunderer.
3. Resolve the Golgari Thug trigger, putting itself on top of your library from your graveyard.
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
5. Resolve the Grim Haruspex trigger, causing you to draw Golgari Thug from the top of your library.
6. Activate the Treasure token by tapping and sacrificing it, adding .
7. Cast Golgari Thug by paying 1.
8. Repeat.