If you dont know what set the symbol is from, you can look online at a listing of set symbols and figure it out
While The First SliverThe First Sliver (4,794 decks Sliver-themed decks as commander) and Sliver OverlordSliver Overlord (old-bordered goodness at 2,677 Sliver decks) are a cut above the rest, likely due to their potential to net a ton of card advantage, many players favor perhaps more aggressive options like Sliver HivelordSliver Hivelord (1,155 decks) and Sliver GravemotherSliver Gravemother (1,086)
Heck, you can drop most of the tricks and just go for a full-out Sultai Counter deck, merging the -1/-1 Counter tricks of Hapatra, Vizier of Poisons with the +1/+1 Counter power of Pir, Imaginative Rascal & Toothy, Imaginary Friend
Granted, in the case of The Sensational She-Hulk, six mana is no small number, but given the upside, there's a damn good reason to get her on the battlefield
6 Dream Eater This mythic Nightmare Sphinx isnt the biggest blue top-end creature to grace blue control decks, but it stands out for other reasons
I can see it in some kind of low-to-the-ground aggro build, as you can pump up your attackers in various ways as it progresses
