Its equal parts reference sheet and behind-the-scenes look at a high-volume grading pipeline
Sword of Body and Mind in particular is a dangerous game
The counts are an automated, heuristic read of card text a fast starting point, not a final verdict and categories can overlap (a card that draws and ramps counts in both)
The idea is simple: Throw down Slicer, likely converted as Slicer, High-Speed Antagonist to save some mana, slap on some equipment like Sword of Fire and Ice, Commander's Plate, and O-Naginata, then pass Slicer around the table and watch it shred your opponents life totals like a block of cheddar
If the creature or planeswalker isn't a legal target as this spell tries to resolve, it won't resolve
Since most decks want to have their commander around, this is a blue staple in EDH because you can use Fierce Guardianship to protect your commander or your board state for free