Prior to the release of Bloomburrow, it was a staple in the Modern Amulet Combo deck, however, demand for Cultivator Colossus has been inconsistent
Theyve also made the game a bit controversial
Royal Mail Services : Your pack doesn't just ship
This Mewtwo from Legends Awakened is very difficult to find on TCGplayer but sells solidly around $100 whenever a near-mint (NM) copy is listed
Take my deck, for instance: When we were still forcing Sapling of ColfenorSapling of Colfenor as commander, this card was worth the four mana because I could see that I had a creature on top to draw, or could get a land off the top of my deck so I didn't whiff
Maybe its being a 4/3 for 3 with no downside, or stealing spells from opponents and making them outlaws