A couple of booster packs: A small treat that lets a child open something new without a large spend
This creates a finite supply, making cards on this list, like the original dual lands, extremely valuable regardless of their original rarity
Mire in Misery and Feed the Swarm were the first attempts at doing this, and while some people believe its against the philosophy of the color pie, I see it more as Magic evolving and adapting to the needs of the game after sticking around for more than 30 years
Toggo just gives them to you for every land drop, so you don't need to be a dedicated landfall deck, but slipping in some artifact or permanent sacrifice payoffs is a really good idea
Given that Grave Danger is especially weak against fliers, playing with the deck is a great way to learn more about how to compensate for a deck's shortcomings
Sneak Attack is one of the most quintessentially red cards, and it leans heavily into everything that makes the color so loud