These should all be in alphabetical order, because ranking 16 different Eldrazi (or 22 if you count all the individual Titans) by their value seems like a daunting task for a list that is already quite subjective
By venturing through the Lost of Mine of Phandelver, you are able to venture to the Dark Pool room which drains the opponent for one life rinse and repeat until the opponent has no more life
We have mana, a reanimation spell, a threat, and a Demonic Tutor
If you then take all the additional non-creature artifacts and pretend like they are creatures (that don't contribute to the total count of creatures) you wind up with a card that has over 95% target range which is better than the very best Doom Blade cards
A long-term, well-timed investment, if you will, rather than ignoring the back side completely for the entire game
Pollywog Prodigy shows a lot of potential