Righteous Crusader

Faith Shielded (This creature gets+1/+1 for each God
you control that shares one or more colors with it.),
First-Strike, Haste

Whenever Righteous Crusader attacks, another
target attacking creature gets +X/+0 until end of
turn, where X is Righteous Crusader's power. If defending player controls more lands than you, you
may search your library for a Plains card, put it
onto the battlefield tapped, then shuffle your library.