Giving people less time to deal with your threats is usually the best course of action
If we ban these cards and let the dredge engine survive, we are committing to banning the next Bloodghast, the Bloodghast after that, and the one after thateither that, or Wizards will simply have to stop printing powerful, graveyard-based cards out of fear of making Dredge too powerful
However, a hidden mode was found for Invasion of Ikoria
If someone captures one being pulled from a pack on camera and the sequence of the uncommons is either Persian - Lickitung - Pikachu, Lickitung - Pikachu - Rhydon or Pikachu - Rhydon - Nidorina (or any of these sequences in reverse, the direction of the card sequence can vary), that would practically confirm this theory
With a slight wave of psychic energy coming off of him, Alakazam looks incredibly intimidating in this red and golden Full Art card