mtg cards per set The 25 Most Valuable Sets in Magic Ranked INNISTRAD ~ Complete 107 Card

Green has haste to recover from killspells and boardwipes, while black has it for extra aggression and graveyard recursion

Time Walk Time Walk gives you extra turns at absurd efficiency, enabling explosive combos and instant game swings

While eBay shows you the price at which a card was sold at, it is not often that you can find a card you are looking for and eBay archives old listings, making it more difficult to research

Gideon, Ally of Zendikar was big news for a while but has mostly fallen into obscurity, whereas Gideon of the Trials is the most unique version of the character, with entire Gideon-themed decks built around the emblem ability

Yes, they can

Its so ubiquitous that its banned in every format except Commander (its a key piece in the best Commander decks) and Vintage, where its restricted to just one copy