best hand traps is one of the most powerful and versatile negate cards in Yu-Gi-Oh
You wont want multiple copies, but the first is probably fine, assuming youre aggressive enough to want it
As such, you will definitely want all of Parallel Lives , Anointed Procession , Mondrak Glory Dominus and possibly a Doubling Season in a flex slot
That creature becomes a copy of the card with the chosen name until Killer Cosplay becomes unattached from it. This allows you to turn a common card into a mythic rare, but you do need to know a fair bit about Magic: The Gathering to be able to pick the right creature for the situation
What if you are able to create three or four copies
Not only does it discount your instant and sorcery spells, but each one in your graveyard also boosts up its power