Grenzo, Dungeon Warden + Threefold Thunderhulk + Phyrexian Altar + Hoverstone Pilgrim

Grenzo, Dungeon Warden

Threefold Thunderhulk

Phyrexian Altar

Hoverstone Pilgrim

How it works

1. Activate Hoverstone Pilgrim 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 Phyrexian Altar four times by sacrificing Threefold Thunderhulk and the Gnomes, adding 4.
5. Repeat.