Magic: The Gathering cards

• 

  Operations Officer

  trc · 192rare
• 

  Oppressive Rays

  jou · 19common
• 

  Optimistic Scavenger

  dsk · 21uncommon
• 

  Optimus Prime, Hero

  bot · 13mythic
• 

  Optimus Prime, Inspiring Leader

  ph18 · 2mythic
• 

  Oracle en-Vec

  tmp · 31rare
• 

  Oracle of Nectars

  plst · SHM-233rare
• 

  Oracle's Attendants

  8ed · 32rare