Three mana 3/3 is always a good start and a nice little stat bump to your other creatures is very welcome, especially in the go-wide decks
And thats not even considering the more fringe subthemes you could emphasize: historic-matters, deathtouch-matters, sacrifice and graveyard value, face-down creatures these assassins are a flexible lot indeed
They often target high-demand, high-dollar staples: Power 9, dual lands, Reserve List cards, and format-defining pieces
Among other things, this lets players spam Ancestral Recall with Emeritus of Ideation , or generate infinite mana with Blazing Firesinger
Obviously premium in Standard but more meh in Commander, its hard to rank these
Self-Destruct Tournament Impact: Only one copy mainboard