serialized ring cards mtg The One - Foil - A Collector's Guide to Magic:

Form of the Approach of the Second Sun I am the game Form of the Approach of the Second Sun asks an important question: What if the player was the deck? For five mana, this card gives you seven life when it enters, and then turns you into a card

Heres the other interesting part, the symbol in the middle is the same symbol on the lower right side of the card )marked Resource Generation)

If you proxy for casual play: Keep cards readable at a glance (especially board wipes and commanders)

Added The Great Grady, C.O.R.G.I

Protecting Cards : Proxy cards can be used in place of valuable or rare cards during gameplay to prevent wear and tear on the originals