After all, if you're going to make a huge Hydra that folks are probably going to have to remove at some point, you'd better at least protect it
The answer was originally these were going to be Chandra's goggles, but there was a problem
If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve and you won't discover
My only beef with The Capitoline Triad is most colorless Commander decks are running lots of Eldrazi as their top-end, and those are traditionally creatures with huge power and toughness already
Massacre Wurm has a nice -2/-2 enter the battlefield effect but, more importantly, deals two damage to each opponent whenever a creature dies
Also there are two versions of the Wastes cards (one based on Kozilek and one based on Ulamog), both commons, that you have to draft to get any to play with