The main reason Standard is so expensive is that fetchable dual lands were printed in the same Standard as fetchlands
Yedora might not have the most powerful ability in the game, dozens of keywords and the ability to go infinite with half of the cards in the game
It all comes down to what matters most to you: Go with PSA if youre after top resale value and worldwide recognition

Other printings of Overlord of the Balemurk $34.41 Overlord of the Balemurk Duskmourn: House of Horror Promos $25.72 Overlord of the Balemurk Duskmourn: House of Horror Promos Most valuable cards in Duskmourn: House of Horror View the full price guide $211.28 Enduring Vitality Duskmourn: House of Horror $183.97 Overlord of the Balemurk Duskmourn: House of Horror $176.13 Overlord of the Hauntwoods Duskmourn: House of Horror $163.73 Valgavoth, Terror Eater Duskmourn: House of Horror $160.51 Enduring Curiosity Duskmourn: House of Horror $134.95 Enduring Courage Duskmourn: House of Horror $119.27 Enduring Tenacity Duskmourn: House of Horror $96.89 Overlord of the Mistmoors Duskmourn: House of Horror More cards by Mikio Masuda $430.19 Twinflame Tyrant Foundations $115.57 Twinflame Tyrant Foundations $63.64 Serra Angel Magic Duel Masters Promos $60.45 Arcane Denial Final Fantasy Regional Promos $40.11 Huatli, the Sun's Heart War of the Spark Promos $17.33 Ultimecia, Time Sorceress // Ultimecia, Omnipotent Final Fantasy $7.30 Huatli, the Sun's Heart War of the Spark $2.30 Protection Magic Final Fantasy Commander SetDuskmourn: House of Horror Most valuableTop 100 Magic: The Gathering cards You might also like...

Essentially, if you have a full party with all four of these on the board, you can pay one white, one blue, and one black mana to give the Warrior lifelink, deathtouch, and make him unblockable (deathtouch and unblockable at the same time has no real use, but thats still OP to think about)