However, thanks to cards that can output monsters from your hand like "Synchron Fellows" and "Wheel Synchron", you can tolerate drawing certain cards to some extent, so I don't think it's necessary to increase the deck size excessively
Monsters with different names from your Deck
But it's not like you'll get 9000 cards to start with you need to spend time playing the single-player campaign to earn Duel Points (DP) to spend on booster packs
Mai's card dialogue is the same for all of the following cards, when declaring an attack with "Harpie Lady, "Harpie Lady 1", "Harpie Lady 2", "Harpie Lady 3", or "Cyber Harpie Lady"
Although a digital game, collectors can redeem special code cards found in TCG booster packs to unlock packs in the game to add more cards to their collection
I mean, can another investigator spend actions to engage/fight this exhausted enemy or this enemy card is no active in any way until it's ready in the upkeep phase