Bundles are a great way for players to fully immerse themselves in the new set and update their decks for the new Standard environment
Temur Spells: First and foremost, add some ways to make sure that Kalamax, the Stormsire can always be tapped, even if you don't have any good attacks, with vehicles like Smuggler's Copter and equipment like Whispersilk Cloak being some of the easiest options
Sure, it also has the break of once per turn end step, but you can gain life every opposing turn with things like permanents, Congregates, or blocking with lifelink dorks
Relic of Legends is another good one
Toploader binders aren't sized for slabs (slabs are too thick) they're for the cards before and adjacent to grading
But weve tried to minimize that by making common cards powerful. At some point in our conversation, I asked Garfield about the dark and sinister imagery found on many Magic cards, and wondered if maybe this sort of stuff might be a bit too intense for 6-year-olds