With the banning of Birthing Pod, Kiki-Jiki and Restoration Angel fell out of favor in Modern
If Ephara is the breakout card at a Grand Prix or Pro Tour soon, she will double in price, and you should buy in once the decklists start hitting the net
There are plenty of ways to play them off the top of your library, like Oracle of Mul Daya or Augur of Autumn
And in Pokmon, getting more than 1 energy in play is crucial to overtake your opponents (I mean, there is a reason why Gardevoir ex has been dominating the format for years!)
Even early on, Card Kingdoms listing for the card was priced at $999 before quickly going out of stock
Truth is, Opt, Serum Visions, and other cheap cantrips arent a huge priority in Commander unless you have a strong spellslinging component, but theyre also completely inoffensive