Ive been Luka Robot Sharaska, and this has been the Commander Corner
We generally want to suspend all our cards and have a couple of synergies to help get them down quicker
If money isn't a problem, though, you can go ahead and buy the Kanto promos (or any of the other Series 1 cards) at TCGPlayer
KEEP IN MIND this locks you into dark heroes for the rest of the turn, so make sure you already have all the non-dark monsters on the field you want first (Wonder Driver, Absolute Zero, Sunrise, etc.)
Chaos Originscontains
In MTG terms, this ability translates to: If it hits you, you die. Of course, thats held back by a mana value of 7 and having an attack trigger, nothing a few Sneak Attack effects and a haste enabler or two cant solve