Like most Magic: The Gathering cards, the value of Geralf's Masterpiece depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Shadows over Innistrad)
Reverse Holo Card featured above: Rigid Band U :Reverse Holo [MEW EN 165/165](Scarlet & Violet 151) The cards background is holographic, while the image remains standard
Akiri, Line Slinger & Bruse Tarl, Boorish Herder: They make a fearsome duo and are great at leading an equipment-based Voltron deck
Purists feel they break the Base Set aesthetic, but they're part of the set and required for master completion
With the help of Misty Articuno can land some devastating blows on the first turn and can even weaken your opponent's Benched Pokemon each time it uses Blizzard
Its awkward that you have to spend mana on your upkeep to bring it back, and four mana isnt exactly cheap