twilight masquerade booster boxes Pokemon Card Mask of Change sv6 Box Korean ver Walking Wake ex breaks free of the past alongside Raging Bolt ex Scarlet & Violet: Twilight Masquerade

As you can see, today, there are many Pok cards and sets

Card Errata Before [Your Turn][Once Per Turn] When one of your effects places a digivolution card under this Digimon, this Digimon gets +2000 DP and can't be deleted by your opponent's effects until the end of your opponent's next turn

Adding all of these factors together, it seems like you can expect about 3 mana of value from the dungeon or a little less than 1 mana per room

There are just way, way too many Eldrazi Spawn in this set for this card to be fair

A second "reflexive" ability triggers when you pay this cost

It took me a whopping ten booster boxes to pull a Charizard VSTAR Rainbow Rare