Ixalan's checklist card includes a box to check on the left, the card name, and the mana cost, and should be just as sleeved as the rest of your deck
This one costs five mana, and reads, Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control. Its great for playing against control players, because then everyone can choose to counter their nonsense
CHOCOBO BUNDLE CONTENTSTen 14-card Play Boosters, a 12-card Chocobo Booster, 1 alt-art Traditional Foil promo card, 1 of 24 Scene Cards, 32 Basic Lands (16 Traditional Foil, 16 regular), a special Click Wheel life counter, and a Chocobo Edition card box
Both of these cards work exceptionally well with Karumonix, because when his enter the battlefield ability triggers, youre likely to draw multiple copies of them and each copy makes your board substantially better
No, theyre not worthy
Ravnica, Innistrad, and Dominaria-themed sets tend to thrive when Wizards revisits them, but theyre hardly the only sets to do so