Stabwhisker is a 3/3 rat shaman with a The Rack stapled to it
Most Modern mana bases have a lot of nonbasic lands, which means that a well-timed Blood Moon can lock your opponent out of the game entirely
Fallout deck, then you've already got a copy of the latter
Dragons comes out in first thanks to its simplicity: you get a ton of ramp spells and a ton of big Dragons
Frasier says, "The vibe is to understand them as brothers and see how important that is to their family." Donatello and Leonardo are the more serious and studious brothers, so you'll see them on a team-up card, while Raphael and Michelangelo are the troublemakers, and that's reflected in their team-up card, too
They do get a bunch of assorted life-heal spells, among others, here