Ancestral Knowledge [Weatherlight] Legendary Collection if this card is in

if this card is in the GY because it was destroyed in your Monster Zone by an opponent's card and sent there this turn: Special Summon this card from your GY

then target 1 face-up monster your opponent controls

Look at your opponent's hand

•EARTH: During your Standby Phase destroy 1 face-up Defense Position monster you control

Set: Sun & Moon: Team Up Type: Fairy Rarity: Holo Rare Retreat cost: Colorless

Ancestral Knowledge [Weatherlight] Legendary Collection if this card is inSet: 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