Decks from any format (e.g., Standard, Expanded, etc.) can be played, but note that success in the game is based on overall damage output, so you may deal more damage, and thus have more success with newer cards (i.e., Sword and Shield onwards)
The card was immediately identified as a potentially problematic combo engine, thanks to the interaction with the cascade mechanic
Pokemon Trading Card Game Celestial Storm Ultra Rare Articuno GX #31 Pokemon Trading Card Game Celestial Storm Ultra Rare Articuno GX #31 OUT OF STOCK Estimated ship date $5.99 NOTIFY ME WHEN AVAILABLE Email address submitted
This meant that some of the pulls to W/B, while present, were initially discarded simply because I couldnt play Chandra, Flamecaller without red in the deck
This Elf lord features a fun top of library effect that allows you to tap two creature and toss down a top-tier threat out of nowhere from the top of your library or your hand