Sefethi Kerashar

: Whenever a creature deals damage to Sefethi Kerashar, tap it. It doesn't untap during its controller's untap step as long as you control Sefethi.
: Whenever you cast a white and/or blue noncreature spell that isn't any other colors, you may tap target noncreature permanent.
: When Sefethi Kerashar dies, you may exile target tapped permanent.