27 cards where the cards were printed with new flavor text and the set is “m15” and the cards are reprints

Back to Nature (Magic 2015 #169)
Caustic Tar (Magic 2015 #89)
Charging Rhino (Magic 2015 #171)
Darksteel Citadel (Magic 2015 #242)
Devouring Light (Magic 2015 #9)
Encrust (Magic 2015 #53)
Forge Devil (Magic 2015 #140)
Frenzied Goblin (Magic 2015 #142)
Gargoyle Sentinel (Magic 2015 #216)
Goblin Roughrider (Magic 2015 #146)
Gravedigger (Magic 2015 #99)
Illusory Angel (Magic 2015 #59)
Juggernaut (Magic 2015 #220)
Lightning Strike (Magic 2015 #155)
Mind Rot (Magic 2015 #104)
Ornithopter (Magic 2015 #223)
Overwhelm (Magic 2015 #189)
Phyrexian Revoker (Magic 2015 #225)
Raise the Alarm (Magic 2015 #26)
Restock (Magic 2015 #195)
Runeclaw Bear (Magic 2015 #197)
Shrapnel Blast (Magic 2015 #161)
Terra Stomper (Magic 2015 #284)
Titanic Growth (Magic 2015 #203)
Wall of Essence (Magic 2015 #41)
Welkin Tern (Magic 2015 #84)
Zof Shade (Magic 2015 #125)

This search is finished. Now the real work can begin.