His ultimate, which isnt usually relevant, lets you swap cards with your opponent
If the ability that's copied has an X whose value was determined as it was put on the stack, the copies have the same value of X
This mechanic shines with combat-related abilities like combat damage triggers, lifelink, or even infect
Theres a few upgrades that could and should be made to it but its an all-around fun deck and I love when spellslinging builds synergize with other themes and archetypes well
The entering permanents don't copy whether the target creature is tapped or untapped, whether it has any counters on it, whether it has any Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on