deck, as long as you abide by the overall rules for each decks maximum number of cards and any Unlimited, Limited or Forbidden restrictions, a decent rule of thumb for beginners building a Yu-Gi-Oh
Eye of Ugin remains arguably the best possible land for an Eldrazi deck its banning in Modern makes its exclusion here completely understandable, but if you want to really take your deck to the next level, consider this absolute powerhouse of a card
Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents
Hopefully if your deck runs smoothly you wont have to do this very much, but sometimes it is necessary and you shouldnt shy away from that choice
You may draw cards that can start a whole combo chain, or maybe youll draw a hand-trap that can completely shut down your opponent
For many enthusiasts, proxies are a way to enjoy these cards without the hefty price tag