Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Magic: the Gathering - Primordial Sage - Ravnica
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 : Primordial Sage Cost : 4GG Color : Green Card Type : Creature - Spirit Power/Toughness : 4/5 Card Text : Whenever you play a creature spell, you may draw a card.
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 Ravnica set.
Product price: $1.54
Product brand: Magic: The Gathering
Target attributes: Game
Answer: attribute: game
value: planeswalker
source: product description
attribute: game
value: magic: the gathering
source: product brand
attribute: game
value: magic: the gathering
source: product description
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