Cumulative upkeep 1 When Ancestral Knowledge comes into play, look at the top ten cards of your library, then remove any number of them from the game and put the rest back on top of your library in any order. If Ancestral Knowledge leaves play, shuffle your library.

• Number: 10
• Rarity: R
• Type: Enchantment
• Mana cost: 1U
• Color: Blue
• Artist: Colin MacNeil