Are the MTG Arena Starter Decks too weak, and you're looking for a higher power level deck
Sven Stolz Deaths Shadow belongs in both Modern and Legacy to my all-time favorite cards
Other options to consider include Clutch of Currents, Drag Under, Ulvenwald Hydra, and Emrakul, the Promised End (a great one to bounce or blink with Clutch of Currents, Drag Under, Reflector Mage, or Eldrazi Displacer, to be sure)
Proxies can be a practical tool when theyre used responsibly: casual playgroups that allow proxies testing a list before buying expensive cards keeping authentic cards safe at home Proxy vs Counterfeit: the difference is intent + disclosure The difference usually comes down to two things: Intent: Is the item meant to be a stand-in, or meant to pass as authentic
Having multiple copies of Mox Pearl in your deck is likely to be a very costly endeavour, however