You can lead a deck with him, but he's mono-Blue so you'd need a good tribe like Merfolk or his Illusion type
Any legitimate seller of graded cards should be happy to share the certificate number
In a format ruled by artifact tokens, Imskir is a super cheap beater thatll refill your hand with ease
(Deceive EOT make a 1/1, firebrand face, dreadful unblocked creature, 16 damage.) If you aren't in the mindset of constantly evaluating whether you can end the game with the cards you have, you are missing opportunities and not going to succeed to the fullest
Time for some of the more complicated stuff
Then put all cards revealed this way that werent put onto the battlefield into your graveyard. This is basically one of the big payoff cards for being able to generate so much mana, and youre going to ruin people with it