AP Mid Runes vs AD Mid's
Just had a debate on what runes I should take as an AP Mid when going against AD Mid's. Right now I can't decide if I should take Armor seals+AP glyphs or Armor glyphs+Scaling Health seals. I guess the first one would be more offensive and the second would be more defensive. I feel like a lot of AD mid's are bursty (like Zed, Talon, etc.) so would the second combo be more effective? Any suggestions on which combination I should take?