With more Pikachu cards released in each generation, it's hard to see this card gaining significant value unless there's a major change in the market

Agatha's Soul Cauldron Agent of Erebos All Hallow's Eve Angel of Finality Angel of Glory's Rise Animate Graveyard Ascend from Avernus Bag of Holding Balthor the Defiled Barishi Bazaar of Wonders Bojuka Bog Burn Away Cabal Therapy Calix, Destiny's Hand Cease // Desist Counterbore Cranial Extraction Creeping Renaissance Crook of Condemnation Crypt Incursion Day's Undoing Deadly Cover-Up Death or Glory Descend upon the Sinful Doomsday Drudge Spell Duplicity Dusk // Dawn Elixir Endurance Epic Experiment Eradicate Extirpate Free-for-All Gamekeeper Gerrard's Hourglass Pendant Gerrard, Weatherlight Hero Ghastly Conscription Go Blank Gustha's Scepter Haunting Echoes Haunting Voyage Hazel's Brewmaster Hedonist's Trove Helvault Identity Crisis Idol of Endurance Ill-Gotten Gains Into the Earthen Maw Inverter of Truth Jund Charm Kaya's Guile Knowledge Vault Lantern of the Lost Legion's End Lobotomy Mairsil, the Pretender Metallurgic Summonings Moratorium Stone Myr Welder Necrogoyf Necromancer's Covenant Nicol Bolas, the Arisen Nihil Spellbomb Orzhova Paradigm Shift Patchwork Crawler Praetor's Counsel Purgatory

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The most valuable Machamp cards typically include 1st Edition holographic cards from early sets, Gold Star variants, Alt Art cards from modern sets, and promotional cards with limited distribution
We have Brainstorm, Wasteland, Force of Will, Daze, Cabal Therapy, Pyroblast, Flusterstorm, Lotus Petal, Rishadan Port, Counterspell, Crop Rotation, and many others
It allows you to dig deep for more creatures to play, and getting to choose from multiple means you get some agency over what you get selecting a card is often better than just drawing a land, which is what makes Reconstruct History better than Harmonize most of the time