Slivers have been a part of Magic for a very long time since 1999s Tempest block, where they were first introduced along with their various abilities, all of which affected all other Slivers on the battlefield
There are some solid Equipment in this department too, which can help our commander get big enough if we need to pivot to pure Voltron
Equip three generic (Three generic: Attach to target creature you control
Ever since I first saw the card, I really wanted to do something with Tahngarth, First Mate
While Magic: The Gathering players were aware of Tezzeret's presence on Kaladesh, and knew that he would be making an appearance in Aether Revolt thanks to Planeswalker deck details, the exact abilities and nature of his card weren't known until now
This Belle could potentially replace Tomatoa in Ruby/Sapphire builds that love to ramp items and gain lore