Ancestral Knowledge [Weatherlight] Planeshift {T}: Put a mire counter

{T}: Put a mire counter on target non-Swamp land

You control enchanted creature

a creature

At the beginning of your precombat main phase

Ancestral Knowledge [Weatherlight] Planeshift {T}: Put a mire counterSet: Weatherlight Type: Enchantment Rarity: Rare Cost: {1}{U} 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 Ancestral Knowledge enters the battlefield, 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 Ancestral Knowledge leaves the