mtg ravnica allegiance most expensive cards Allegiance. Rare. Warrent/Warden x4 4x MTG: The Most Valuable Cards

You can find yourself with a great deck that will dominate your friends (and enemies!) playing more straightforward cards

Fable of the Mirror Breaker is now worth more than $20 and, given its presence in the deck that one the most recent Pro tour, it probably wont be slowing down any time soon

Its a great beater for its mana and deserves a spot in many enchantment decks to this day

Get double activations per turn on The Millennium Calendar with Manifold Key or Kelpie Guide

As we know, things die and its best to get your value upfront and not bank on being able to cast the huge creature that you fetch up for a discount

#2 As long as the alter doesn't cover any relevant information or alter the art beyond recognition, you should be ok