In Lorcana, players take on the role of Illumineers who use magical ink to summon glimmers of iconic Disney characters, songs and items
Heres how it plays out: You are required to have The Gitrog Monster out, Dakmor Salvage in hand and more than 7 cards in hand total At the end of the turn, discard down to hand size, discarding Dakmor Salvage This gives you a draw card trigger from The Gitrog Monster Priority passes to opponents On resolution of the draw trigger, replace this with the dredge from Dakmor Salvage, milling 2 cards and returning Dakmor Salvage to hand As it is still the cleanup step you still need to discard down to 7 cards in hand, again discarding Dakmor Salvage and repeating the combo above on a loop The idea is you loop this to fill your graveyard and try to win from there
At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) Instant Chaotic Transformation Exile up to one target artifact, up to one target creature, up to one target enchantment, up to one target planeswalker, and/or up to one target land
English booster boxes, by contrast, provide no guarantee of a rare card
That being said, there are still a variety of decks that can hold their ground pretty well against competitive decks
Dominaria United Jumpstart Boosters contain 20 Magic cards (including all the lands you need to play)