Overmind, the Hivemind

Eminence — At the beginning of your upkeep if
Overmind is in the commandzone create 0/1
Zerg egg if on the battlefield instead create
two
{r},{t}Zerg Creatures gain haste till end of turn
{b},{t}Zerg Creatures gain mence till end of turn
{g},{t}Zerg Creatures trample till end of turn