Bolas's Citadel is an even stronger contender because it can churn through your library and it is also a wincon that can blast your opponents faces off for 10 life
Put the rest on the bottom in a random order.) Legendary Artifact Primordial Mist At the beginning of your end step, you may manifest the top card of your library
The card lets us leave open mana to use cards like Grasp of Darkness before committing to Zombie summoning and graveyard sculpting
However, you have to have a 5-cost or more Character on the field to bypass Buggys second effect so it doesnt remove itself afterward from the field
Being an artifact that will remain in a graveyard you can Tinker it, Reanimate it or Welder it into play
Size 12.6 x 12.6 x 3.9 inches, it holds over 3200+ unsleeved cards, 2200+ Penny-sleeved cards, 1800+ Dragonshield-sleeved cards or 1500 double-sleeved cards