The mana cost and expansion symbol are printed on only one side each but apply to the permanent regardless of whether it has been flipped
Honorable Mention #3 - (#12
A couple of powerful payoffs for these enchantment-based cards include Overwhelming Splendor or Cruel Reality that are too expensive to hard cast, or cards that reward you for playing a bunch of enchantments, like Starfield of Nyx and Sigil of the Empty Throne
So, even if you're not amused by the overuse of Eeveelutions, you'll find unexpected Pokemon and even some stunning full-art trainer cards to collect instead
Sorcery Sorcerer Class (Gain the next level as a sorcery to add its ability.) When this Class enters, draw two cards, then discard two cards
You have to pay the ability's listed costs and any applicable additional costs, which means you can activate mana abilities while you're activating a library ninjutsu ability even as you're searching your library