It's currently going for north of $1,100 right now, so it's not exactly affordable either, but the chances are you'll save money on opening booster packs
Ultimately, it can propagate the idea that proxies are okay, and when that idea spreads through playgroups
The most rare cards you can get are the Enchanted rarity, followed by Legendary, Super Rare, Rare, Uncommon then Common
You dont even need to worry about triggering affinity for Mox Opal or paying for Everflowing Chalices kicker to get that sweet, sweet mana
Even if Takenuma was a relatively bad mill spell, the fact you can play the first copy over a basic Swamp at almost no penalty to your manabase would get it into tons of lists
But Magic has evolved, and now there are some creatures that are all too happy to be sacrificed to our dear Lord of the Pit