Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When this enchantment enters, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.
When this enchantment leaves the battlefield, shuffle your library.
Ancestral Knowledge has 1 listed printing; the most valuable is the printing from WTH at US$7.50 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Affiliate links: as an eBay Partner Network affiliate and a TCGplayer affiliate, MTG Compare earns from qualifying purchases — at no extra cost to you.
