Find a Village where their Air Defense isn't protected that much. If you find a village with 2 Air Defenses, you can find a different village to make it easier. If you find one with an Air Sweeper, don't worry, all the Air Sweeper will do will be pushing your Healers back, but that won't matter.
Send your Giants near the Air Defense. If the Air Defense has walls defending it, use all of the Wall Breakers to destroy them.
Once the Air Defense is destroyed, send 2 Healers out to heal the giants. You could request for troops at your Clan Castle. Try asking them for a Healer. If they gave you one, send it out to heal the Giants.
Cast a Healing Potion near a Cannon or Archers Tower, then send out all of your Barbarians and 2 Wizards to attack the Cannon or Archers Tower. Then send a Healer to heal your Wizards and Barbarians.
Send your Archers near resources and then cast the last Healing Potion near the Archers. Send out the rest of your wizards and your last healer near the Archers.
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Now your troops are like invincible with all of the Healers and Healing Potions! I hope you like my Attack Strategy!