Compare the holo pattern and texture against a known-good listing, check the rarity stamp and set symbol, and for any serious spend buy a graded copy from a reputable slab
Similarly, Commanders like Jan Jansen, Chaos Crafter, can handle half of this equation, turning Salvaging Station into a repeatable value machine
Unstable Amulet I dont think you need to be an energy deck to play Unstable Amulet as long as your strategy gets lots of triggers for casting spells from outside your hand
That has a lot of options, especially as you can copy a non-creature artifact like Spine of Ish Sah or Gilded Lotus
Cards that care about counters were worth looking at for Omo, but it doesn't help to have multiple everything counters on a creature or land
When Dominaria was spoiled, and we began to see brand new art of my favorite UR legend, I couldn't have been more excited