For Granblues, you can always assume that your field will always have a G2 Attacker and G1 Booster since you can always trade off the cards you get from drawing and Drive-checks for Deadlies, Samurai and Nightmist. Also you can trade off an unneeded G3 for a 5000 Interceptor for extra defense, or a booster for extra attacking power. So, there is no need to fear of running out units to attack when you intercept since they keep coming back for more.
In addition, Granblues can play well with little Grade 3s because of cards like Deadly Swordsmaster, Spirit Exceed and Skeleton Demon world knight(with Cocytus) which can superior ride from the drop zone. Chappie the ghostie can help you search and put those G3s into your Drop-zone. Not only you get to defend, you can ride them from the drop zone as if it was your second hand. So you do not Misride.
In a way, this is somewhat like a 'fearless' deck. You do not have to fear of lack of attackers and Misriding.
Some of my favourite granblues are Evil Shade, Chappie, Ruin Shade and Cocytus.