Mind's Desire shuffles your library, exiles the top card, and lets you cast it for free until the end of turn
Mist Valley Sky Fall Knight WIND/Thunder-Type Synchro Tuner Effect Monster/Level 5/2200 ATK/0 DEF Lore: 1 "Mist Valley" Tuner + 1+ non-Tuner monsters If this card is Synchro Summoned: You can discard 1 monster, and if you do, destroy 1 card on the field, and if you do that, if you owned that destroyed card, you can Special Summon 1 Level 2 or 3 monster from your GY
But, if you already control Stomping Ground, then you don't need the fixing anymore
Our best MTG Commander decks guide highlights some of the strongest options from these releases
Each card is a vintage treasure, over 20 years old, and produced by WOTC Wizards of the Coast
The short of it, is that Id need to investigate more, but am optimistic about it. He goes on to say that he suspects it would be from a scrap sheet, and isnt supposed to leave the print facility, so we might not be getting the whole story from whoever managed to get it out of the facility