Kogla is in my opinion one of the strongest standalone Green cards printed in the last year, killing a creature and then going to town on artifacts/enchantments, but it's even better in this deck since all Werewolves are also Humans on the front side, so you can use Kogla to save them from removal or give itself indestructible
HEROES WILL FALL Jace Jace Belerens power to manipulate minds finally met its match when he found his own consciousness dominated by the shadowy thrall of New Phyrexia
You could drop your opponents hand (lets say he/she took a prize last turn and has a decent-sized hand, likely to have what they needs for next turn) to only 4 cards by using N, but that leaves yourself with only 4 cards-worth of refresh
Im excluding threaten effects that steal creatures but return them at the end of the turn, or theft cards that let you cast your opponent's spells
Goblins tend to be small and weak, but Krenko, Mob Boss can summon an army of them, smothering your opponents under an ever-growing swarm of the grimy green goobers