The indestructible ability is the icing on the cake, making this card advantage engine difficult to remove
There are only a handful of new cards here, so the main appeal is just the new treatments of these cards
For decks with three or more colors, where you might only be able to afford a small number of MDFCs since you'll need most of your lands to either be basics (for ramping / tutoring purposes) or tap for multiple colors of mana, the best MDFCs are Bala Ged Recovery (seriously, if you have green mana in your deck, play this card), Valakut Awakening, Hagra Mauling, and Ondu Inversion, along with the mythic cycle, which is almost always good if you can afford another land that only taps for a single color of mana
Of those which were handed out, only ten have been graded by the PSA, with just six of them achieving the coveted PSA GEM-MT 10 rating
For a long time after, none were created