They read, Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control. That means you can attack in multiple ways, and as long as youre interfering with your opponents hand and board state, youll benefit massively from it
Command and sacrifice hordes of Orcs and Goblins as you amass Sauron's army
most, though not all, are foil treated, and if they arent, theyll have extended, full or an alternate art illustration, in comparison to the standard version of the card that can be found in Play Boosters
Deflecting Swat needs little introduction to many Commander players, and Untimely Malfunction doubles as a two-mana target-switching effect that occasionally blows up a threatening artifact