Try out a combo cube with support for decks such as Storm, Dark Depths, Splinter Twin, and Sneak and Show
Aside from Rally, Brightflame was a one-time Commander stalwart in the format's early days, but it's an often-frustrating card - incredibly expensive to kill anything but the smallest creatures, and unpredictably effective at dealing with your opponents' boards without hamstringing your own
High-quality sellers also tend to have well-optimised websites that wont lag while you are hunting for particular cards among thousands of options
Dont Do the Bend Test The bend test risks permanently creasing or damaging your card
As far as the other new Slivers, there are two Im opting for in my build
Borderless planeswalkers and Triomes All borderless planeswalkers and Triomes can show up in Draft Boosters and Collector Boosters