Idol of Oblivion I'd normally say Idol of Oblivion should be reserved for token decks, but so many decks can produce incidental tokens these days, so the Idol probably has more homes than it might seem
Even pricing in the new demand from Standard, it seems unlikely that Pyroclasm can stick at more than $20, and dropping back down towards $10 seems likely
A few months back, a handful of Burrowing Strip Mine made their way onto eBay, and all of them ended between $40-$50
For six mana (two blue plus four), you can cast a 6/7 flying dragon that, upon entering the battlefield, returns two permanents to their owner's hand
A good rule of thumb is that the more resources your opponent has, the less drawing a card helps them, so if you are behind on cards this is likely worth activating
In form and function, this an Amber/Sapphire all-Disney Princess deck, where each princess may help others, with stacking abilities