The most expensive cards are high-powered commanders like Anzrag, the Quake-Mole and Delney, Streetwise Lookout
Still, a 4 mana 4/4 that doesn't fly, even if it often attacks as an 8/8, is fine but not particularly impressive unless you are very aggressive
There are loads of nice details here, from the pained expression on the Thrull itself, to the eerie overseer lurking in the background, to the huge stone gate lying ajar, revealing a well-lit tunnel beyond
Like a Voja, Jodah, or MTG Sliver deck, your best bet against Vren is going to be a board wipe
And if youre looking for older expansions, heres how to change booster packs
Surge, Brock Cards from the Mewtwo pack: Venusaur ex, Mewtwo ex, Koga Cards from all Genetic Apex pack: Omastar, Kabutops and Aerodactyl Cards from the Mew pack: Celebi ex, Gyarados ex, Mew ex, Aerodactyl ex, Blue & Pidgeot ex Cards from the Palkia pack: Infernape ex, Palkia ex, Cynthia, Supreme Blast (Mesprit, Uxie and Azelf), Mismagius ex, Lickilicky ex, Weavile ex Cards from the Dialga pack: Volkner, Pachirisu ex, Gallade ex, Darkrai ex, Team Galactic Grunt, Dialga ex Special, by going through all the Battle Guides: Wigglytuff ex These Rental Decks can be used up to ten times