This army is an alternative composition to the Giant-Wizard-Heal strategy, an alternative to Giant-Healer at TH6 and TH7. As TH7 get two Air Defenses and an Air Sweeper it is not easy to use Healers on a TH7. A DE-free strategy for dealing with tightly packed TH7, more practical in war because of long training time.
We replace some Wizards from a mass Wizard attack with Barbarians that trigger CC and group CC troops together and Giants that do tanking.
Minimum Troop Housing Space Required: 200 Minimum Spell Housing Space Required: (not specified)
For your Clan Castle you should bring 4 level 6+ Giants. Bring your Barbarian King if you have him.
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As the intro states, you should generally try to find a tightly packed TH7 (or an abandoned one) that has no more than 2 2x2 gaps in the base (these gaps will probably contain Hidden Teslas). This is because you do not want Giant Bombs to ruin your raid.
Lure the Clan Castle with a Barbarian, then more if necessary (if none, skip to step 4). If you cannot lure out the Clan Castle use a Giant instead.
Use Barbarians to draw out the Clan Castle Troops to the edge of the base, away from defenses. Group them together with more Barbarians, then take them all out with one Wizard. In the case that the CC Troops consist of a Dragon, air troop or other high-health troops, draw them out and circle them with 5-7 Wizards to take them out.
Use your remaining Barbarians to check for Giant Bombs in suspicious 2x2 spots outside the base. If you find at least one Giant Bomb it should make your raid easier, if you found both it should make it extremely easy to beat the base.
Deploy Giants, CC Giants (and BK) in different groups. You want the CC Giants in one group, and your inventory's Giants in the other. Deploy the Wall Breakers, 2 per group, to help the Giants enter the base, but time it well or else they will be destroyed and the Giants will be left attacking the Walls.
Deploy your Wizards in a line to take out the outside buildings. Do not group them tightly or else Wizard Towers and any surprise Giant Bombs will make short work of them all.
As the surrounding buildings are destroyed, send in the BK if you have him. Drop Heal Spells on the Giants, trying to get both groups if possible, if their health drops low.
You will have to manage your Wizards and Healing Spells as they go into the base. If they get under Wizard Towers drop a Heal Spell or a whole group might be taken down fairly quickly. But do not waste your Healing Spells, try to heal the largest possible group of Wizards every time you place one down.
As your last Healing Spell is dropped, sit back and watch the Wizards run through the base (hopefully). If done correctly it should guarantee a 2-star win, possibly 3-stars when expertly executed.
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May not be the most effective strategy out there but is a fun alternative to mass Dragons.