Allowing you to get value from them as a commander on the turn you play them, and it can one-shot people if you have Wound Reflection, Archfiend of Despair, or Astarion, the Decadent in play since those abilities check the life loss as they resolve
If every land in your deck produces white mana, you gain very easy access to this mono-white Symbiote
When these elements come together, and the team produces great work, all thats left is to hope that the players are kind in their reception
Now, its not as good against Charm as it is against sweepers and is a much more complex pairing to boot
Its a more controlling commander in the sense that once one or more opponents are corrupted, youll get a steady flow of card advantage
That keeps this plane from Top 3, because you dont want to see that if you arent benefiting from it