For one thing, not having to enchant a permanent is huge, as your foe cant remove it in response, and the ability to duplicate any nonland permanent you have as opposed to just a creature or artifact is massively strong
Glasses of Urza (1): You may be asking if I had a Black Lotus, surely one of the most sought after and expensive Magic: The Gathering cards in existence
Not only does this turn off things like Droplet and Maxx C, but it also shuts off any deck that involves the graveyard (TriZoo, Eldlich, Sky Strikers, Phantom Knights, Sword Soul etc.)
When the floor collapsed, Dumon saved Shark from death
The deck is quite weak against full backrow removal like Harpies feather duster and against effects that banish cards from the field/GY but it isnt really weak against handtraps except Ghost Belle I hope that you enjoyed the decklist, see you soon