Could also be the mythic uncommon of the set (though these are harder to predict)
Clunkiness of OG werewolves and new day/night werewolves not changing at the same time aside, this is deck is real strong
Professor, our assumptions about early Kathorran tool use may not be correct. Watermark: Lorehold Illustrated by Jokubas Uogintas Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Vito, Thorn of the Dusk Rose Vito, Thorn of the Dusk Rose ties Sanguine Bond to a 3-drop creature
In Khans of Tarkir, instants and sorceries with Delve are popular
You can also proliferate or populate once per turn, which goes well with cards that make big tokens or +1/+1 counter synergies without green, that is