:) Update 01/05/2018: HOTFIXES: The following quests had just minor wording changes (just some effects that said "get /keyword/" to "gain /keyword/")
Doing so with Winter isn't all that hard, considering he can continually mill three cards per turn so long as he keeps attacking
This is an underrated ability for control creatures, something I had to figure out by playing with The Wandering Emperor enough
Village Cannibals - Human monsters Phyrexian Unlife - Compleatly awful From Under the Floorboards - Classic zombie horror Ad Nauseam - Twisted zombie horror Terror - Nothing to fear but fear Sensory Deprivation - Truly uncomfortable The Fallen - A subtle and disturbing monster Peer into the Abyss - Why, just why
Green tutors can help you find the cards you need, but they won't always help you cast them if you don't have the mana to do so, since many go on top of your library or into your hand
Since that kind of pack-opening experience can hook a new player onto MTG for life, there are undeniably major benefits for Wizards too