Outside of the very popular Mox Amber from MTG The Brothers War set, here are a few other notable cards that you might want to keep an eye out for: Ragavan, Nimble Pilferer Multiverse Legends from the recently released March of the Machine Set Numbered 1/500 This card, which was serialized #1, sold for an astounding $6,500 just a few weeks ago
Injured Bird 2W Creature Bird 3/3 CARDNAME comes into play with a -1/-1 counter
Populates power level is fine, but the designs could be pushed more
To quote an old professor, I'll leave this as an exercise for the student. Can I use Sleight of Mind to change silver-bordered to black bordered
That token is green, which triggers Ivy Lane Denizen again
TLDR If the event is Wizards sanctioned , you must use authentic Magic cards