If you are using your creature with trample as a blocker, after it has received and dealt damage to its attacker, any excess damage is not then dealt to your opponent because your creature is blocking, not attacking
This is a card that was already bad before Commander became popular, and became even worse when you had multiple opponents willing to pay one to shut down your land for the turn
The MTG card Dark Confidant is quickly rising in price
Niv-Mizzet, Parun + Curiosity Izzet's strongest combo is also one of the easiest combos to set up by far, you just need to resolve your Niv-Mizzet, Parun, and enchant it with Curiosity to draw your library and kill your opponent
A card in mint condition will fetch a higher price than one in poor condition
Blue Itll make the cut in your Azami, Lady of Scrolls deck