For example, if Ral, Leyline Prodigy enters the battlefield during combat, there will be an opportunity for your opponent to remove him before you can activate one of his abilities
Then, the attack uses the effect of the Supporter as the effect of the attack Impersonate can grab a Supporter like Cyrus's Conspiracy () or Pokmon Collector to help their player set up, but the most threatening Supporter it can find is Judge or Cyrus's Initiative ()
For this list, Im not just looking at raw power or the top decks in the competitive commander (cEDH) scene
Card advantage in black that asks you to pay some life doesnt get any more classic, foundational Magic than this 2-power creature
The List This is the decklist I played in Portland
While that doesnt make it a beefy character by any means, it does eliminate it from being taken out by really, really low level threats