#623 Scuttling Sliver Extended Art foil (Art by Mike Bierek)
#656 Root Sliver Extended Art foil (Art by Matt Thompson)
#710 Command Tower (Transfirmers Cybertron Version, Art by Joana LaFuente)
#720 Thought-Knot Seer (From "Artist Series: Alessi Briclot")
#724 Lightning Strike (From "The Art of Frank Frazetta")

Sorted in the last update. Just added my copies.