Possibly the most powerful of these is simply the original Mewtwo ex build with Mew ex added alongside the new Trainer cards Mythical Slab and Leaf
We want to know when we play competitively, we minimize as much randomness as we can
However, the sheer number of these obscenely rare cards that are being introduced every set means that on the odd occasion I do hit something special, I dont think, Oh wow, maybe Ill finish the set! I think, Oh well, this is nice, but I might as well flog it. The barrier to completing a modern set of Pokmon is two hundred feet tall and made of cash
Not only does this card draw cards, but it also is repeatable removal
Pay 1 life, Blight 2: Target opponent blights 2
For a vintage Charizard the 910 jump can be thousands