This card is a unique Lifegain commander in that it's an Aristocrat one, meaning you want to be sacrificing your creatures for value
The darkness of the blue, the appearance of the swirl, the color payoff of the yellow, and the overall tightness of the card can look different
29 of the deck's 31 creatures are humans, so Eowyn's ability is easy to trigger, and even drawing the card isn't too hard
Episodes that might be helpful are around here
Where Shadowless Sits on the Value Ladder Shadowless cards sit in a specific rarity tier, more scarce than Unlimited, more accessible than true First Edition
Next, separate your cards by rarity, identifying valuable cards such as first edition base set cards, shadowless base set cards, and holographic cards