For better or worse, theres no reason not to play all the best Slivers in a deck
Folio of Fancies The wheel effects at the top of this list are much more mana efficient and also have that discard element, which can also really matter for decks that use cards like Syr Konrad, the Grim
They will (sometimes indirectly) win the whole thing
Forcing the opponent to discard an instant or sorcery removes an important damage spell, giving -2/-2 to a creature is likely to kill the majority of the creatures they field, and draining two life essentially undoes a spell's worth of damage
6 Esika, God of the Tree Finally, we depart Theros for the Viking-inspired plane of Kaldheim
The Mana Base Rocks There are fewer of these than usual since you dont really need them for fixing and you dont want too many colorless sources in this deck given your hefty need for white mana