I like it, but it will most likely be a junk rare
Cabal Therapy is totally playable here too should you have good information on what is being played
In my eyes, this explosion in popularity within the community came from the release of Shards of Alara and the heavy influx of shard colored legends, many of which were also well suited for themed decks and underexplored archetypes
Punishing your opponents for this with five damage to the face, especially when they cant regain it, can be tricky for them to work around
I think the reason is that at first glance the card is illegible, being a tangled mess of hard to make out shapes, and only on closer inspection it starts to make sense
Value depends more on the specific card than the mechanic label