one piece op-11 booster box A Fist of Divine Speed [OP-11] TCG Bandai contains 24 booster packs that offer a variety of cards Bandai One Piece TCG –

The retreat cost of Mew EX is also lower than most EX cards, at only 1 Energy

Theres also Sorcery options that give you a bit more for your mana like Broken Bond, Archdruids Charm or the before mentioned Atraxas Fall

In other words, two full Evolution lines

These arent the most efficient mana rocks in the world, but in conjunction with Coretapper, you can add charge counters to them on a whim and get access to a lot more mana

There are nearly 100 cards with the rat creature type, and they all have black in their color identity

I also spent a bit of time debating how to utilize one or two pockets of negative space on the design depending on the card type, namely where the Monsters' levels/ranks go compared to my first design