Most mono red removal needs to have mana pumped in, or will randomize something else to replace whatever youre shuffling away
Even Indeedee EX can heal 20 DMG from your Active Pokmon, giving you another option
The book side is sometimes relevant, especially when converting to your janky infinite mana and storm wins via Hullbreaker Horror and Jadzi, Oracle of Arcaivos, but in my experience, youre more interested in bouncing the book back to your hand than actually using it
Check out the Bloomburrow story if you want to learn about Maha's history, or just jam it into a deck with a Goblin Sharpshooter or Toxrill, the Corrosive and call it a day
If the equipped monster attacks a monster, after damage calculation: The attacked monster loses 600 ATK/DEF