Sure, the mechanic popped up from time to time in supplemental products, but it wasn't really until Murders at Karlov Manor that it really got its big moment again
Temtem Imagine if Pokmon only consisted of double battles
This ability can even go infinite with Intruder Alarm and Cryptolith Rite, assuming youre running a Sultai Zombies list like Sidisi, Brood Tyrant
See also: Singles buying guide, Pack opening strategy What products are available for Mega Evolutions? Three products at launch: Enhanced Booster Box (36 packs, $180-200 MSRP, exclusive Bulbasaur promo), Elite Trainer Box Riolu Edition (11 packs, $50 MSRP, exclusive Riolu promo), and Elite Trainer Box Alakazam Edition (11 packs, $50 MSRP, exclusive Alakazam promo)
One often-overlooked factor: whether a card was pulled from a sealed booster box versus a promotional tin can influence perceived value among serious buyers
Fetchlands like Misty Rainforest are great ways to reset the top of your library to get a fresh look with The Fourth Doctor, but Id also recommend trying out cards like Bant Panorama and Shire Terrace which enter the battlefield untapped and tap for colorless mana in the early-game, and then you can cash in for a basic land and shuffle your library later when you need it