Not only does Gnaw to the Bone gain significantly more life than (most) previous life gain spells, consistently gaining 10 to 16 life each use, you can also find it reliably with your self-mill
Wilds of Eldraine: Enchanting Tales TypeEnchantment Collector Number90 Raritymythic ArtistYakotakos You may cast spells from your hand without paying their mana costs
the upcoming format is going to have a shortage on playable artifacts: Runechanters Pike and Witchbane Orb from Innistrad Block, a couple of Keyrunes (maybe), and from M13 Staff of Nin (?) Oh yeah, and Trading Post
3 Ichormoon Gauntlet By itself, Ichormoon Gauntlet has a functional version of proliferation
And when your hammer is Colossus Hammer , it doesnt matter how big their monsters are theyll be smashed all the same
Honestly I kind of hate the idea of playing two mana creatures that die to Stomp, and sadly Merfolk Trickster and Brineborn Cutthroat both run into that issue, which makes them less appealing that I might like against aggressive decks