Drown in Ichor Every deck should be running some amount of single-target removal
Officially, the most expensive Magic card ever sold (as far as I am aware) is a PSA graded perfect 10 Alpha Black Lotus, which sold on Ebay a few years back for a little over $500,000
The Pokmon TCG: Charizard ex Super-Premium Collection includes: 1 foil promo card featuring Charizard ex 2 foil cards featuring Charmander and Charmeleon 1 card-display figure featuring Charizard 10 Pokmon TCG booster packs Booster pack contains 10 cards and 1 Basic Energy
The flavor is fun, and in Commander, well, aside from donate decks, isnt this tasty in Kambal, Profiteering Mayor and Massacre Girl, Known Killer decks
They are also the most expensive grader among the 3 options