As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. {T}: Add {W} or {U}.
{T}: Add {C}. {5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token. {5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.