mtg knight commander precon Improving Knights Tribal deck in Magic the Gathering March of the Machine Commander

But they also have a little more redundancy and are a little more streamlined than what you get from precons

Cosmic Spider-Man With every keyword under the sun, Cosmic Spider-Man not only dominates combat but also buffs all your spiders with the same suite

Tiered: We've seen this mechanic before, but now it has a new name

They also helped me to understand what made a MTG card "good" and how to iterate on existing archetypes

They can be tutored with Open the Armory in an emergency, and enchant enemy creatures to take them out of combat

Something that will set me up to close the game or get really far ahead of the rest of the table