Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Magic: the Gathering - Gargoyle Castle - Magic 2010 - Foil
Product description: Magic: the Gathering is a collectible card game created by Richard Garfield. In Magic, you play the role of a planeswalker who fights other planeswalkers for glory, knowledge, and conquest. Your deck of cards represents all the weapons in your arsenal. It contains the spells you know and the creatures you can summon to fight for you. Card Name : Gargoyle Castle Color : Land Card Type : Land Card Text : {T} Add {1} to your mana pool. {5}, {T}, Sacrifice Gargoyle Castle Put a 3/4 colorless Gargoyle artifact creature token with flying onto the battlefield.
Product feature: A single individual card from the Magic: the Gathering (MTG) trading and collectible card game (TCG/CCG)., This is of Rare rarity., From the Magic 2010 (M10) set., You will receive the Foil version of this card.
Product price: $0.98
Product brand: Magic: The Gathering
Target attributes: Game
Answer: attribute: game
value: planeswalker
source: product description
attribute: game
value: magic 2010
source: product title
attribute: game
value: magic: the gathering
source: product brand
attribute: game
value: magic: the gathering
source: product description
attribute: game
value: magic 2010
source: product feature
attribute: game
value: planeswalkers
source: product description
attribute: game
value: magic: the gathering
source: product title
attribute: game
value: magic: the gathering
source: product feature