Please, try not to copy
This move not only requires a whopping 4 Energy but also discards 3 Energy on usage
Slab dimensions vary by grader, which matters when picking sleeves: PSA slabs are approximately 3.25" 5.375" and 0.25" thick the most common slab size in the hobby SGC slabs are slightly larger than PSA and with different styling BGS (Beckett) slabs run shorter and noticeably thicker than PSA CGC/CSG slabs are generally slimmer profile than PSA, with multiple body sizes for thicker cards A generic "one-size" slab sleeve has to be oversized to accommodate the largest grader, which means every other slab sits loose inside it, sliding around, bunching the flap, and defeating most of the reason you sleeved it
Notice Azula's hair and you'll sense that something is off, and that is the requirement to attack
The following sheets of full albino cards are known to exist: Ice Age, Antiquities Commons, Revised Commons, French Mirrodin, Italian Legends, 4th Edition, 4th Edition (backs), Homelands (backs), and Japanese 7th Edition