Sultai Ascendancy is a rare Enchantment card from Fate Reforged Clash Pack (CP2), collector number 3. Current market price: — (foil $0.58), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)