Misaligned or blurred printing
Schematic serialized foil Retro Artifact: $400 to $500 Schematic foil: $17 to $18 Altar of Dementia The Altar of Dementia was first printed in Tempest
2 Ragavan Before he became the scourge of eternal formats in his solo career, Ragavan was the loyal companion of Kari Zev, a sky Pirate from Kaladesh
Two Steel Blades & The Wings of Freedom On Our Backs has a lower curve than the Angel decks of old, and utilizes some great white card draw options like Rammas Echor and Trouble in Pairs
Looking at the current metagame, it seems that Modern is moving away from broadly useful cards, and leaning into sideboard haymakers
The stat line on a 1-mana 2/3 is frankly ridiculous on its own, but then it becomes a growing, evasive threat