Often, I find that they are more knowledgeable about the products as well and you can verify the quality of the cards you are buying before you purchase them
More than 140 different sets, dozens of formats, and about 30,000 cards can be very confusing
Before you polish your cards, check for "Top-Layer Embellishments" Identify: Look for cards where the glitter or texture feels raised or looks like a "third layer" applied over the clear coat
In quite a number of decks, Id be considering Summon: Fenrir over playing other ramp spells at two or three mana, but then as someone that liked to play Beanstalk Giant for similar reasons, its not hugely surprising
Unlike Crucible of Worlds or Ramunap Excavator, this can transition into a powerful late-game effect