Sigardian Priest, Pacification Array, and Deadlock Trap are clumsy and expensive, and they havent been good for a while (see: Dromoka Dunecaster and Akroan Jailer)
Magic: The Gathering 's best tribes don't just have powerful creatures to establish their board state, but also formidable non-creature spells to support them
For example, control decks have no problem digging through their decks, so having one-offs won't affect them as they will be able to get to their sideboard cards easily (and this is a big reason why control decks are often so good)
Others feature pie-baking and big bad wolves, and some spin out Arthurian legends
You can choose from three options: Amber and Amethyst, Emerald and Ruby, or Steel and Sapphire, or you can buy all three as a bundle