3 Magical Spring: Draw stuff
If you read between the lines, for 4 mana on the first cast, you get to choose from 16 cards in a full-sized Commander table that then can be cast to assemble your remaining combo or just find the combo pieces you need to kill them on the next turn with, of course, Demonic Consultation + Thassa's Oracle
While other trainers have only a handful of Pokmon cards, there are dozens of Team Rocket's Pokmon, providing tons of new deck options to choose from
Sacrifice Commander's Sphere: Draw a card
Once per turn, during the Battle Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon using this card you control
That can be a lot of spells casts, you just need to be sure that the cursed player will die before you do