While sacrificing lands has its downsides, a Crucible of Worlds makes up for it, especially once you consider how much ramp Commander decks play
Blood tokens are artifacts, so any effects that care about artifacts entering the battlefield, sacrificing artifacts, or anything else could synergize well with them
The aforementioned "Trade Feature Celebration Gift" did arrive with 500 Trade Tokens and 120 Trade Hourglasses (the former of which is enough to trade a single ex Pokmon), but the developer has otherwise remained quiet on fan complaints
But its a brand new hand for one Mana, making it 233% better than the three card draw of Ancestral Recall
Now with disposable income, these thirty-somethings started buying back the cards of their childhood, fueling a first wave of price increases