pokemon cards etb Twilight Masquerade Center Elite Trainer Box and Charizard Pokémon TCG: ME03 - Elite

Hold it to a light to check for the internal black core layer that genuine Pokemon cards have

Discounting them all to the same price

To what extent is there a match between the mana production means and the type of mana required to cast the spells

Being five colors means this will slot perfectly into The Ur-Dragon and Tiamat builds in Commander, and I think it's solid

Imprint was a mechanic from Mirrodin block (and later reprinted in Scars of Mirrodin block) where the player had to exile a card when casting the spell (the exiled card came from different places), which then was used as a marker to determine something about the spell