yo dawg, we heard you like bullets, so we made bullets that shoot bullets that shoot bullets so you can dodge bullets while dodging bullets shot by bullets.
i've seen all of these people crying "oh that guy made a song that's been made i'm going to bitch about it" well so far, i've only seen what... 4 songs that aren't remade from another song, so far there are only a few ways to make songs, try crying about it AFTER they put the next 100+ options in.
a good tactic i've had is to get a good commander with a rally ability and base your deck around the group the commander can rally. not only does it increase the power of units but there are some units that can rally MORE of that group therefore making a MASSIVE amount of damage.