The best replacement for excadrill is krookodile.

The best alternatives to excadrill are rated as following:
★★★★★  krookodile
★★★★  aggron
★★★★  donphan
★★★  garchomp
★★★  beartic
★★★  rhyperior
★★★  starmie
★★  haxorus
★★  metagross
★★  sandslash
★★  gigalith
★★  steelix
★  scrafty
★  scizor
★  gliscor
★  boldore
  dewott
  sandile
  darmanitan
  mamoswine

Your alternative for excadrill is not listed? Suggest!
Speaking about excadrill, one probably shouldn't forget about sandstorm.

Other search terms related to excadrill and their ratings are:
★★★★★ sandstorm
You have in mind a companion for excadrill and it is not yet here? Propose!



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excadrill
krookodile
aggron