The Power of Card-Draw in MTG Draw cards in Magic: The Gathering are extremely powerful cards, as they are in most trading card games
A Glacial Chasm being played on your opponents board shouldnt mean youre now entirely out of the game, and your opponents definitely dont need to untap with their Nykthos, Shrine to Nyx too often either
Zombie synergies built in are also a nice touch and provide a really solid shell for this to work with
Once a Planeswalker has no loyalty left it goes to the graveyard
With that, it's time to take a Leap of Faith (Wizards really missed this one) and dive into the list
If a creature with a finality counter on it would die, exile it instead.) Essentially, this allows you to cast creature spells from your graveyard, but the cost is additional foraging