>>48082070Blissey got weaker due to Focus Blast that most special sweepers could learn from TM.
Skarmory got weaker due to physical Electric and Fire moves whereas before it had no physical weaknesses.
Suicune got weaker due to physical Electric and Grass moves.
Forretress got weaker due to physical Fire moves.
Pretty much any wall that relied on type advantage for its durability got weaker.
Mons with poor movepools that relied on physical Hidden Powers got weaker (i.e. Tauros that relied on HP Ghost to hit Gengar in Gen 3).