People like to have one of everything, and if there are two versions of a card, thats two you need to collect
Despite having a low budget, Siona is one of my most powerful paper decks: not only is the deck an Aura Enchantress deck, which has an incredibly deep pool of strong cards to work with on a low budget, but it's also able to quickly and consistently combo off thanks to the interaction between Siona, Captain of the Pyleas + Shielded by Faith to generate infinite Soldier tokens and the backup combo of Siona + Reins of the Vinesteed + a sac outlet like Blasting Station which similarly generates infinite tokens to sacrifice and win with
The other less advantageous card, gets sent away, and even if it was your alternate wincon, at least it's still in your deck
Since the fight, Costco has a new policy: 1 unit per membership per day, so people can get a pack a day instead of loading up on them
Foregoing The Aeons Torns Annihilator and extra turn effects, this new Emrakul iterates further on The Promised Ends permanent theft, and remains a devastating, heavily protected threat
Use Best-of-Three if you want more strategic control over a match