When this card is link summoned, the user can discard one card from their hand, then they can target one spell or trap card their opponent controls and destroy it
For a complete look at the set, you can check out the Duskmourn: House of Horror Card Image Gallery
Casualty 2 isnt a high threshold, but the fact that Anhelo himself cant sacrifice to this effect is a real and significant drawback to this cards long-term popularity and playability
Look at how happy he is with his balloons
If you get this into play and protect it, victory is rarely more than a few turns out
Admittedly, you've just handed your rival a fierce warrior with the same stats as a "Blue-Eyes White Dragon" (3000 ATK and 2500 DEF), but you've also eliminated two of their monsters that were presumably bigger threats