The shuffling of a deck must occur so that the player doesn't see the face of the cards
Although this might not be able to knock out all ex cards in a single hit, the damage is still significant enough to keep any opposing player on their toes
There are lots of other lands I could mention, like Brian Snoddy's take on Urza's Power Plant, John Avon's Lantern-lit Graveyard and Submerged Boneyard by Chris Childs, and many others
According to my research, While the set isnt focused on Modern as a Modern Horizons set might be, R&D wanted to allow as many players to play with these cards and enjoy them. OK Wizards of the Coast wants more players to enjoy these cards, so how does leaving them out of Standard enable that
New Decks with 2D Deck Codes: Hoopa ex | Mega Metagross ex | Mega Rayquaza ex Vespiquen ex | Typhlosion ex | Mega Sharpedo ex Trading Board: B4 Available for Trading
The above system is a departure from Magic Duels, and even Hearthstone, doing away with trading and crafting altogether