Simmons, Ken: Onyx Magazine No. 10, Jan 2000 ©2000 Ken Simmons Softcover, saddle-stitched, 8.5x11"

Image courtesy eBay seller FlosHubby

Comments: Onyx was a quarterly magic magazine Oct 1997 through April-May-June 2000 for a total of 11 issues.
Note: there's a full contents listing for all issues over at Denis Behr's Conjuring Archive.

Contents (from cover, numbers are not page numbers):

1 Ken's Corner (Ken Simmons)
2 Another Clarified Routine (Ken Simmons)
3 Apprentice Cannibals (Edward Marlo)
4 Down's Bound (Kelly Jennings)
5 Trap-Ease (Peter Duffie)
6 Underground Transformation (Michael D Marco)
7 More Poker Power! (Michael De Marco)
8 They Called Themselves the Kings (Michael De Marco)
9 Any Card But Your Card (Michael De Marco)
10 The Klase Stack (Bill Kalse)
11 Biumph (J.K. Hartman)
12 Count Five Returns (Robin Robertson)
13 Erdnase Meets Hofzinser (Petter Duffie)
14 Hue-Niversal (Michael De Marco)
15 Trisect (Michael De Marco)
16 Does Spelling Count? (Michael De Marco)
17 Digital Discovery (Michael De Marco)
18 Dr. Daley's Last Selections (Michael De Marco)
19 Jacks of Action (Michael De Marco)