Larger cards provide utility and look cool
If you can build up seven card types in your graveyard your opponents may have to discard all of those extra cards, but theyll still have a whole turn to play them
A holo card, where the artwork shines, is worth many multiples of a non-holo of the same card
Agatha of the Vile Cauldron Ash, Party Crasher Beluna Grandsquall Eriette of the Charmed Apple Goddric, Cloaked Reveler Greta, Sweettooth Scourge Hylda of the Icy Crown Imodane, the Pyrohammer Johann, Apprentice Sorcerer Kellan, the Fae-Blooded Lord Skitter, Sewer King Neva, Stalked by Nightmares Obyra, Dreaming Duelist Old Flitterfang Rowan, Scion of War Ruby, Daring Tracker Sharae of Numbing Depths Syr Armont, the Redeemer Syr Ginger, the Meal Ender Talion, the Kindly Lord The Goose Mother Totentanz, Swarm Piper Troyan, Gutsy Explorer Will, Scion of Peace Yenna, Redtooth Regent