most valuable non first edition pokemon cards Identifying Early Pokémon Rare Non Holo Base set

Special Guests cards also appear in traditional foil in The Lost Caverns of Ixalan Collector Boosters

Collector Boosters are a shortcut to the coolest cards in a set, with boosters full of rare cards, shiny foil cards, and special alternate-art and alternate-frame cards

I think originally it felt like this card was designed to counter the Overlords, netting you a card against your opponent casting one for its Impending cost

You can get value out of your artifact cards like Solemn Simulacrum, then sacrifice them to ramp up to your bomb cards like Cityscape Leveler

You can find more information on the cards at Wizards official site.

I say storm, but in truth, it takes very little to draw or even copy cards with Stella Lee