Its especially powerful with cards that have an additional downside to cast, like discarding a card or losing life
Note that you can't cast X either, as it's not the first card in your program
For a small set, ten of the twelve cards would be mandatory for the colors (two white, two blue, etc.) and would have 2 wildcard slots
You could play a truly defensive, controlling game with your Defenders
Yes, RNG is not a completely reliable factor to rely on during a battle, but the sheer potential of dealing 160 damage makes this completely worth it
Fakes have since become better and better, but it's still fairly easy to find some hints that a card is not what it should be, and that you should be cautious trading for it