Trainers Pokmon are making a comeback, just like the classics from EX Team Magma vs
If you flip a second Illuna, you can add it to hand and then mutate it onto the first one for a double trigger (and no legend rule!) Its harder to see exactly what to do with Vadrok, Apex of Thunder , since one of the best spells in Jeskai to recast Deafening Clarion will also kill Vadrok unless you mutate it under something with better stats
Konig Wissen's effect is free nondestruction removal when going second, and you may even get to destroy one of their Spells/Traps at the same time
But if you want a quick victory, choose the strongest monsters
Take 2 fire energy from your energy zone and attach it to that Pokmon
Sort them by comic universe (Marvel, DC, Indy), by point values (below 50 points, 50-100 points, etc.), or even by combat values, like range (0 range figures over here, 6 range over here, etc.)