As for Shadow itself, card draw is nice but the real draw here is the fact you can repeatedly drain each opponent of life whenever you trigger this ability
The 3 Best Magic: The Gathering Food Decks to Play Ygra, Eater of All - cEDH Ragost, Deft Gastronaut - Commander Samwise Gamgee - Historic Abzan Food Combo Most Magic: The Gathering combos pertaining to food are tied to Commander decks or competitive Commander decks, with the format being called "competitive Elder Dragon Highlander," cEDH for short
To begin, we have the mighty ReanimateReanimate (502,792 decks), which is cheap to cast, but can cost a decent amount of life
Most cards fit into one of the first five rarity levels, Common, Uncommon, Rare, Super Rare, and Legendary, but certain secret cards have a special Enchanted Rarity instead
I can't imagine that's important to the ongoing story in any way
Without cheap characters of their own or a proper sweeper effect like Be Prepared or Grab Your Sword, players facing down this type of strategy would quickly find themselves at an extreme disadvantage