Additionally, whenever you draw a card, the Zombies you control get +1/+1 until the end of the turn
When you do, add its power to this creature's until end of turn.) Enlist will allow you to add a different creature's power to your own, it will mean you can't perform those two attacks in a single turn but can boost for a lot of damage and is lower risk for your creatures
Spells like Sacrifice essentially has the effect of betraying your own creatures, killing them in a profane act just to gain a little bit of advantage over your enemy
These creatures are also your primary source of card draw
You toss your hand and refill based on how many card types are in your graveyardso if youve been casting a mix of creatures, instants, sorceries, and so on, this can draw you a big new hand