Some types of coating, especially matte, allow for effortless shuffling, while others, like glossy, tend to get sticky much quicker
I've got plenty of decks that rely on sacrificing creatures, like Rakdos, the MuscleRakdos, the Muscle, Lyzolda, the Blood WitchLyzolda, the Blood Witch, and Teysa, Opulent OligarchTeysa, Opulent Oligarch
Structure decks in the GX era contained necessary cards for specific strategies, an improvement from Duel Monsters
It helps that the destruction is essentially free, provided your opponent has more monsters than you do
Loxi: I don't love this because I do think it's a little expensive as a whole package to actually make better use of this than reanimating something the more traditional ways
Aggro Aggro decks should run about 26-32 for the best results, though those creatures need to be potent aggressive threats