Much as I yearn for larger sets and the replayability they enhance, bonus sheets reskinned reprints that appear in about a third of packs do take the edge off
Police station parking lots or bank lobbies work great, especially for high-dollar transactions (whatever that means to you)
Ciphermaniac's Codebreaking allows players to choose any two cards from their deck and place them on the top of the deck in any order
it typically paid off because its +1 ability can help you run away with the game by drawing multiple creatures a turn, similarly to how a card like Domri Rade can reward creature-heavy midrange decks in Cube
Once per turn, during the End Phase, if this card on the field was Normal Summoned or flipped face-up this turn: Return this card to the hand
Theres really no wrong answer, as it depends solely on your own goals