ZEZU daughter of Yasmine

Eminence:— All Creatures you control have myriad. If a creature you control doesn't even amount of damage to any opponent during combat you lose the game.

{r}{r}{t}: all red cards get +1/+0 or -0/-1 until end of turn.
{g}{g}{t}: all green cards get +1/+0 or -0/-1 until end of turn.
{w}{w}{t}: all white cards get +1/+0 or -0/-1 until end of turn.
{u}{u}{t}: all blue cards get +1/+0 or -0/-1 until end of turn.
{b}{b}{t}: all black cards get +1/+0 or -0/-1 until end of turn.