The new game starts like a game normally does: Each player shuffles their deck (except the cards left in exile by Karn's ability)
However, decks such as Turboland, Psychatog, and Rising Waters have found ways to turn the returning two lands disadvantage into a pure advantage, making Gush a card which often gives you four-for-one instead of two-for-one
I recently had a bad dreams about Double Masters 2022 (2X2) booster boxes, which at the time were prices around $255 per box a week later were up to $320 per box
For online events, the prize pools can be a lot higher
(1999), and Duel Masters (2004)
The mechanic is hard to design, hard to develop, and was miserable to play against