Wake the Dead Ive been championing Wake the Dead for a while now and will continue to do so until people realize its one of the best mass reanimation effects in all of Commander
The first is a static one, setting the crew cost of every vehicle you control to just two
Then, if you have enough white and/or black permanents, it starts pumping out a demon at the beginning of your turn
If your factions are primarily monocolored, you have to make a decision about what two-color strategies you're going to push (usually this is done through allied colors or enemy colors) and then make sure the factions that overlap those color combinations are synergistic
One of the best sets to do that with is Outlaws of Thunder Junction There are a number of things that makes Outlaws so great for new players: It has 51 Legendary Creatures across a range of colors and themes, from straightforward builds like The Gitrog, Ravenous Ride (which asks you to saddle with big creatures), to more complex builds like Taii Wakeen, a red and white trickshot deck that draws cards for dealing precise amounts of damage
Dong Zhou, the Tyrant ($181) Were back in the world of P3K with Dong Zhou, the Tyrant, and I quite like this one