What you have to consider is what happens when you cast something like Brass's Bounty or Spell Swindle and get a bunch of tokens all at once, or copying the Manufactor and having multiples in play
Exiling creatures and getting to discover, hopefully getting creatures onto the battlefield (to, say, trigger Intruder AlarmIntruder Alarm), could create a loop of value
Getting Faithless looting for a Blue and a Red is a nice place to start here, as it will really help you find cards you want
Here's why: Top-Notch Card Protection Card games like Magic: The Gathering involve a lot of shuffling, dealing, and handling, which can wear out your cards over time
Pok Ball Mirror First appearing in Dark Phantasma [S10a], this rarity also has no official code but features a foil finish on C and U cards
Ok Dragonite V #76 (Pokemon Go) Details All prices are the current market price