Cosmöch

Cosmoch enters the battlefield tapped.
{t}: Add {r} or {g}
{2}{r}{g}, {t}, sacrifice Cosmoch: Search your
library for a creature or land card, reveal it, then
put it in your hand, then shuffle your library.
"I don't care who built it or why. To us, it is home."
- Nasargeerth, Stone Shepherd