The best type of base to attack with this army is a person who has almost/all of his loot in his mines/pumps and unprotected by walls. In my opinion, if you get at least 10,000 of gold and/or elixir per trophies you lost, that's a good raid. What I mean by that is when you look at the available loot (ex. Gold 150000) and the trophies lost if you lose the battle is around 13 to 17 (150000/10000=15) then it's a go. But if it's like lose 20 trophies for the same amount don't go for it (if you don't have confidence)
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Minimum Troop Housing Space Required: 185 Minimum Spell Housing Space Required: (not specified)
Deploy some Archers to "steal" the towers (i.e. putting Archers just out of range of defenses), then deploy the rest of the Giants in (maybe 2~3 left). As their health is starting to drop over the middle, use the Healing Spell the Giant]]s.
Leave the Giants to be healed, while you deploy about 70-80 Goblins in divided bursts of about 10 each (split the forces into halves and then just tap and hold for a short time).
After deploying the final burst, wait for about one second and deploy all your Barbarians and the rest of the Archers into the base.
Wait for the Barbarians and Archers for about 1.5 seconds and if you almost got all their loot, stop deploying more, but if the Goblins seems to need a little more push, deploy the rest all in at once.
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The entire army takes about 20 minutes to train and is a very effective army, but look out for strong splash towers as they can greatly destroy the Goblins! With this strategy of deployment and the right base, you're almost guaranteed to get at least 95% of all the loot.