Rule 355.9.b

It meets all targeting restrictions. e.g., A unit is a valid target for a spell that refers to a “unit at a battlefield,” “enemy unit,” “unit you control,” or “unit with Might 4 or greater” only if it meets the appropriate criteria. e.g. A unit that reads “I can’t be chosen by enemy spells or abilities.” is not a valid target for any enemy spell or ability, even if it meets other targeting restrictions.