Both are basically three destruction options in one Scheme and offer nice card advantage over time for targeted removal
Even though Superior Spider-Man doesn't target the card in your graveyard, the Cauldron's graveyard hate is still relevant disruption
While the previous hammer is a big tool meant for big swings, Loxodon Warhammer is a more moderate but still effective piece of gear
When the effect instructs you to cast a split card, you have to choose one of the sides to cast (fusing is not an option because that can be done only when casting from your hand
Last but not least is Cyclone Summoner, a seven-mana 7/7 that has every permanent except for Giants, Wizards, and lands returned to their owners hands as long as you cast it from your own hand
Remember, your new undead fleet is unable to block at first