It can't be the target of spells or abilities, its static abilities have no effect on the game, its triggered abilities can't trigger, it can't attack or block, and so on
In other words, it can do up to 130 points of damage in exchange for only two Energies , which is a barbaric amount in exchange for a minimal investment
Mirri's first strike ability also makes it hard to deal with in combat, and thanks to its Warrior typing, takes advantage of all other Warrior support cards
Lorcana The First Chapter Booster Pack 21 In this pack, we got: Commons: Aladdin Cornered Swordsman, Jafar Wicked Sorcerer, Pumbaa Friendly Warthog, He's Got A Sword!, Donald Duck Strutting His Stuff, and Vicious Betrayal Uncommons: One Jump Ahead, Jumba Jookiba Renegade Scientist, and Olaf Friendly Snowman Rare or above: Te Ka The Burning One (Super Rare), and Magic Mirror (Rare) Foil: Steal From The Rich (Rare) A solid pack with the Super Rare and Rare Foil
A simple mistake or overlooking some small detail can become a collectors dream