Their popularity exploded alongside Commander, and formats like Vintage are only accessible to some people through proxy use
Winter Orb is a "stax" artifact that severely limits each player's ability to untap cards during their untap step, and that will slow the game down
Setzer, Wandering Gambler Setzer, Wandering Gambler has hoops to jump through to flip coins on its own, but the real reason this card makes the list is the last sentence
If you can control things long enough to protect it and set up, it's a solid way to close out games, and I do think it's worth trying, but I'm not sure it's where most players will settle
If you like Magic the Gathering
Our own store (Samurai Sword INC) was scored using the same criteria