Othias, Crowdwhisperer

When Othias, Crowdwhisperer enters the
battlefield and at the beginning of your upkeep
choose a creature type. Othias, Crowdwhisperer
is the chosen type in addition to its other types.
{1}{u}{b}{t}: Creatures that share a creature
type with Othias, Crowdwhisperer get
+1/+1 or -1/-1 until end of turn.
A rumor of him is enough to win us this war.