Tomb of Tadhg the Slumbering

Tomb of Tadhg the Slumbering can be your commander.
{w},{t}: Create a treasure token. If there are fifteen
or more cards in your graveyard, create another treasure token.
{2}{b}{b}{b}{r}{r}{r}, Sacrifice two treasure tokens:
Exile Tomb of Tadhg the Slumbering and return
it to the battlefield transformed and under your control.
The people of Haus know not when he will wake...