popcorn games card sleeves (Hard) Archival Safe Popcorn Card Sleeves - 56mm

However, there are a couple of ways to speed up the process

Lurrus of the Dream-Den Lurrus of the Dream-Den is one of my favorite cards to build around in the Vintage Cube

Lilith Turn 4 (7 Don): Activate Leader effect + or 5-cost Egghead

They appear to be part of the special set for January, neither those two nor Mega Zard X are in Mega Evolution or Phantasmal Flames, which the latter has not been officially revealed yet #11 I'm kinda happy these aren't confirmed to be sirs because really I'm not that big a fan of these, hoping that they can be a new rarity and keep the sirs relatively cheap

It can chump block, let you Scry three times on its own supply, or be an Energy supply for something else