A 3/3 with reach for three mana that provides modified creatures under its owner's control with trample, whenever one of its owner's modified creatures deals combat damage to an opponent, its controller can your library for a basic land card, put it onto the battlefield tapped
Further Upgrades If you really want to bling out your Werewolf deck or have these cards laying around, then I'd suggest some of the following generic goodstuff staples: Cavern of Souls, Taiga, all fetchlands that get Forest or Mountain, Strip Mine, Worldly Tutor, Sylvan Tutor, Green Sun's Zenith, Finale of Devastation, and uhhh
There's an increasing number of legendary creatures and Commander payoffs that reward you for casting spells from exile , something that'll happen naturally with plot cards
Everything left are enchantment because they are harder to answer than a walker of the planes
You then gain 3 Lore, getting you closer to winning the game
I have done this on Turn 5 in a pod, and it is a meme