The ELCA is a screamingly lib church. They are in full communion with the Episcopals (able to share pulpit and communion). Just remember they do not represent all Lutherans. Some synods (branches) are still biblically grounded.
Which ones?
Liberalism cannot be rectified with Biblical Authority.
“Liberal” churches are simply those that have compromised, ie, become friends, with the world.
James 4:4
You adulterous people, don’t you know that friendship with the world is hatred toward God? Anyone who chooses to be a friend of the world becomes an enemy of God.
(and there are numerous other verses with the same admonition)