Is this attack strategy good?

Okay so I've been thinking about a troop combo I could use for clan wars. I got tired of my wizard-giant combo and big bombs were a huge weakness in that combination.

So I've come up with a new one and it's:
2 Dragons lvl 2
20 Balloons lvl 4
60 Archers lvl 5

The idea is to drop the archers first to do clean up so the dragons don't get side tracked. Then the dragons so that they soak in the attacks from air defensive structures, then I finally release the balloons straight behind them. A heal spell to allow the dragons to last that bit longer and then 2 rage spells for the balloons and dragons. Any suggestions or critcisms? This is probably a well known combo known to the COC community but it's new to me. Should I rage the Dragons as soon as they're in or wait for the balloons and then rage? I'll be going up against TH8 bases with Level 4-5 air defences, level 9-10 archer towers. How should I deploy the balloons?