mtg wither commander deck Magic: The Gathering Secrets of Strixhaven Commander / EDH MTG decks

The mana value of a mutated creature is based on whatever creature is on the top of the stack

The short video depicts Trafton showing Post Malone the card, before the rapper agrees to purchase it with the two embracing and taking pictures together with the card

As such, if your goal is to use Ultimate Masters as a way to build Modern or Commander decks, the safest plan is still to spend your money on singles, where the value is guaranteed and you know exactly what you're getting for your money

Beyond the Quiet is the new Sunfall, and probably a lot worse

Grim Hireling reads smack your opponents around and get rewarded

Not only does it provide treasures and creature tokens every turn, it also gives you pseudo-card draw