Grenzo, Dungeon Warden + Threefold Thunderhulk + Ashnod's Altar + Tomb Trawler

Grenzo, Dungeon Warden

Threefold Thunderhulk

Ashnod's Altar

Tomb Trawler

How it works

1. Activate Tomb Trawler by paying 2, putting Threefold Thunderhulk on the bottom of your library from your graveyard.
2. Activate Grenzo by paying 2, putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield.
3. When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
4. Activate Ashnod's Altar three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six C.
5. Repeat.