Hahaha, the kitty image is the best!
I love playing with the expensive mana monsters too. I don't often win the big 60 or 99 mana battles but it's always fun to bring out the biggest monsters. I've been really happy with the Carnage Titan in the battles it's played in. It hits real hard.
I'm gonna hold onto my DEC until after the SPS airdrop finishes and after the CL airdrop cards have been distributed because hopefully that's when everyone opens all their packs and card prices plummet. DEC will also likely plummet so obviously I'm hoping one plummets more than the other.
I have one gold Gladius card so I can't imagine playing the Gold brawls. You are very brave.