1 Fertilid
The goal is to exploit something smaller and keep the 4/6 deathtoucher intact, but sacrificing Sidisi to itself and grabbing a mass reanimation effect is always a solid gameplan, too
You can't swing through Manhattan without stumbling across some alternate reality multiverse stuff, leading to literally hundreds of versions of Peter Parker throughout the series history
There is a lot of countermagic in this cube (Mana Drain, Miscalculation, Memory Lapse, Remand, Daze, Counterspell, Three Steps Ahead, Spell Pierce, Mana Leak, Force of Negation, Force of Will, Cryptic Command, Tishana's Tidebinder, Force of Will, Subtlety, Mystic Confluence, No More Lies), so if you are a control player at heart, you can end up playing Blue/White with counters, sweepers, card selection and finishers like Teferi, Hero of Dominaria or Fractured Identity
That reason is often enchantment-based ramp like Wild Growth and Utopia Sprawl that produce extra mana from one land, letting this produce an absurd 4 mana rather than a respectable 2
Hymn of the Wilds Much like companions in Ikoria , sometimes you choose your conspiracies once your deck is built, and sometimes you build your deck around a very good conspiracy