At the beginning of your upkeep, if there are fourteen or more cards in your graveyard, you may transform Emet-Selch
In Zendikar Rising, we return to the mana-filled plane to deal with the mysterious and dangerous creatures that live there now after the aftermath of Eldrazi's defeat
Each card can be in the deck a maximum of 4 times
Jidoor, Aristocratic Capital combos with Fraying Sanity, but Traumatize already exists in the format and this interaction has never been viable in the metagame, while Ishgard, the Holy See and Zanarkand, Ancient Metropolis have very high costs for their effects
And if you'd rather focus more on non- Final Fantasy Birds in Magic (because the chocobos are flightless Birds), there are cards like Watcher of the SpheresWatcher of the Spheres, Empyrean EagleEmpyrean Eagle, and Warden of Evos IsleWarden of Evos Isle that care about creatures with flying
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