Cryptic. 22a. A supporter, but not for long. (6) - e - o - d. Beyond or behold would fit but don't know how that would fit the clue.
Easy. 20a. Given a sloping edge (8)
- e - e - l - -
18 d. Order issued by a lawgiver (5)
- - - c - The second letter is the last letter of 20a.
Thank you in anticipation