Baptism

Baptismal {u}: Tap one of your creatures. Regenerate target creature.
Covenant{g}: Untap a regenerated creature.
And it came to pass that he said unto them: Behold, here are the waters of Mormon (for thus were they called) and now, as ye are desirous to come into the fold of God, and to be called his people, and are willing to bear one another’s burdens, that they may be light; - Mosiah 18:8