Whenever a creature with power 2 or less enters the battlefield under your control, you get to draw a cardbut only once per turn, so timing matters
Jace, the Perfected Mind is a deterrent as well as an absolute mill machine, and Ashiok, Dream Render cuts off fetching and graveyard strategies
It feels awesome to have such a great set of cards to draft from
It's a combo with Corpse Dance bringing it back for 5 mana, and then sacrificing for a key card over and over again
You don't need to hit that ceiling very often to have a removal spell that is significantly more rewarding than the alternatives
Creatures with flying often set the bar when it comes to evasiveness, as they can only be blocked by other creatures with flying or creatures with reach