rarest card in mtg 25 Random Rare Cards Foils/Mythics/Planeswalkers The Most Valuable Uncommon Cards

In the case of Emergent Ultimatum you just need a redundant combo that you can fetch three cards with to always win, like the Thoracle combo discussed

Artist proof blank backed cards from the Innistrad block for Magic The Gathering featuring the 5 main lands, Forest, Island, Mountain, Swamp and Plains These cards are blank on the back, signed and numbered

Nightmare Moon / Princess Luna It takes 6 mana to transform Nightmare Moon the same way it took the six Elements of Harmony wielded by Twilight Sparkle, Rarity, Applejack, Fluttershy, Pinkie Pie, and Rainbow Dash to do so in the show

For good, by the way, since it gets a Finality counter as it flips over

Instant Instant (CTRL to add secondary) Land Mosswort Bridge Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped