Typically, these decks will cause the largest issues for Stasis Prison, as they often pack multiple strip mines (if unrestricted) and other land destruction effects (Sinkhole, Stone Rain, Ice Storm, Armageddon) in addition to a barrage of creatures
Instead, each mechanic is meant to augment the rest of the deck and to provide fun flavor to the deck
They can also fall quickly after bans, reprints, or metagame shifts
Casting spells it exiles is where the value really comes in, but the fact you still have to pay for those spells is kind of sad
Gengar costs 150 Pack Points to craft
Rolling Temblor, Blasphemous Act, Divine Reckoning, and counterspells such as Dissipate are about the only ways* to reliably deal with an army of Spider Spawning tokens in the format