Archghoul of Thraben + Mortuary + Shambling Ghast + Ashnod's Altar

Archghoul of Thraben

Mortuary

Shambling Ghast

Ashnod's Altar

How it works

1. Activate Ashnod's Altar by sacrificing Shambling Gast, adding CC.
2. Mortuary, Shambling Ghast and Archghoul of Thraben trigger.
3. Resolve the Mortuary trigger, putting Shambling Ghast on top of your library.
4. Resolve the Shambling Ghast trigger, creating a Treasure token.
5. Resolve the Archghoul of Thraben trigger, revealing Shambling Ghast from the top of your library and putting it into your hand.
6. Activate the Treasure token by tapping and sacrificing it, adding .
7. Cast Shambling Ghast by paying .
8. Repeat.