Ba Sing Se + Ashnod's Altar + Tireless Provisioner + Archelos, Lagoon Mystic

Ba Sing Se

Ashnod's Altar

Tireless Provisioner

Archelos, Lagoon Mystic

How it works

1. Activate Ba Sing Se's second ability by paying 2 and tapping it, earthbending itself.
2. Activate Ashnod's Altar by sacrificing Ba Sing Se, adding CC.
3. When Ba Sing Se dies, it triggers, returning itself from your graveyard to the battlefield untapped due to Archelos.
4. When Ba Sing Se enters, Tireless Provisioner triggers, creating a Treasure token.
5. Activate the Treasure by tapping and sacrificing it, adding .
6. Repeat.