Irigon

Play with the top card of your library revealed.
As long as the top card of your library is a
creature that shares a color with Irigon, Irigon
and other creatures you control that share a color
with Irigon get +1/+1 and have lifelink.
{w}, {t}: Target creature can't block this turn.
Irigon becomes white in addition to its other
colors until end of turn.