Then, theres the pre-constructed Commander Decks, which you can expect to pay around $49 for
Stone of Erech - While I dont think this is necessarily an upgrade on Soul-Guide Lantern or Relic of Progenitus, it does get points for shutting down creatures entering graveyards
Ive included a package of cycling lands (Lonely Sandbar, Fiery Islet, and Forgotten Cave) because your deck can use the extra draw and its a little mana flood insurance
If the opponent doesn't have an artifact, Tin Street Hooligan will really just be a Goblin Bully
Blue-Red Big Noncreatures Cast massive spells for massive value with a blue-red deck
Known for its exceptional ability to accelerate a player's mana production, Mox Sapphire is as powerful as it is beautiful