The artifact has become a fairly popular sideboard card in Modern shutting down the evoke Elementals from Modern Horizons 2, Snapcaster Mage, Stoneforge Mystic and more, which is driving the price increase
Best Future Sight Payoffs Future Sight effects are inherently powerful without any synergy or payoffs by virtue of just letting you play cards from your library, which almost acts like a second hand of cards and provides card advantage over a prolonged game
If an artifact or land that becomes a creature this way has been on the battlefield since the beginning of your upkeep (even if it wasn't a creature at the time), it can attack during your turn and its abilities may be activated
If you were really lucky, your parents might drive you 45 minutes away to the Toys "R "Us where there was a chance the inventory there would be higher, and the selection would be wider
Whenever you gain life, you get a triggered ability that puts a +1/+1 counter on every creature you control