Egg of the Threefold Sun

Reduce the casting cost of the first creature spell
you cast each turn by {1}
{1},{t}: Add {r},{g},or {w}.
{r},{g},{w},{t}: Search your library for a Dinosaur
card and reveal that card. Shuffle your library,
then put the card on top of it.
"The Sun Empire marvels at this black monument
threefold Sun. Far older than the Sun Empire itself."