My favorite feature of Duel Transer, the Wii game, was that you could duel against any recipe you unlocked, and set your own parameters (such as picking Duel or Match, the maximum time allotted for a turn, or the amount of starting Life Points)
Finally, Hazoret the Fervent is a legendary monster
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It's almost always a better idea to buy a full booster box rather than individual packs - you pay significantly less per pack by buying them in boxes, and if you're after rare chase cards, you'll need to open lots of packs anyway
Gameplay in CCG is typically turn-based, with each player starting with a shuffled deck, then drawing and playing cards in turn to achieve a win condition before their opponent, often by scoring points or reducing their opponent's hit points