(You were probably doing this already, but it's now necessary in order to distinguish morph and disguise.) At any time, you can look at a face-down spell or permanent you control
As a general rule, cards that were left uncorrected are not subject to a limited production run, and so do not have the same collectible desire compared to those which were corrected
Burning them for a visual cosmetic isnt something we would advise when first diving into the game
Any red deck with fourteen artifacts may at least want to consider it for their sideboard, but it can also be a maindeck card
In particular, Wedge Flame ex, Iron Leaf ex and Iron Core ex have the potential to drive many meta decks to the brink of despair
Creatures that player controls can still attack you or planeswalkers you control, but the damage they would deal will be prevented