The DM

Indestructible, Shroud
When the DM enters the battlefield you may search your library for a card from the "Party member" list.
{3}: Search your library for a card from the "Party member" list.
{x}: Place X +1/+1 counters on all creatures you control on the "Party member" list.
Creatures you control on the "Party member" list contribute to commander damage.