The "Filter Lands" from Shadowmoor and Eventide represents a period in Magic's history when the mana was absolutely incredible
But one of my best friends (who hasnt collected cards since the days of base set) still has a shadowless Venusaur that I got him for his birthday (for $14)
Apart from Tragic Arrogance, the other risky part about playing these cards right now is that a lot of the big decks in Standard are running four copies of Dromoka's Command, which can lead to some huge blowouts
Electric Seaweed from the hard-as-nails NES game makes an appearance to strike fear into gamers of a certain age, while other cards reference the squads love of arcade machines, like High Score and, uh, Arcade Cabinet
You can also get this mana from artifacts that used to generate generic mana and got erratad like Plague Myr
Since Voja often leads elfball decks, you can expect to land this on turn 3 or 4, often before your opponents can handle the unreasonable ward cost