So, all creatures that cost one mana, then all creatures that cost two, and so on
Tendershoot Dryad is a five mana 2/2 that quickly spirals out of control in a game if not dealt with quickly
There is no flavour text to the contrary, but since 'untapping' is essentially the game's shorthand for being unable to attack because they are doing something else (like activating their ability), I'm going to assume that Dance of the Dead causes the resurrected creature to dance the fandango unless you pay them money
The secondary commander, Szarel, Genesis Shepherd, is a consistent engine that lets you play lands from your graveyard, similar to the staple Crucible of Worlds
Afterlife from the Loam grabs opposing graveyard dudes and turns them into your zombies
Proper shuffling means that not only are the cards sufficiently randomized, but that theres also no cheating involved