If Falthis and Kediss are your commanders, your deck may contain cards with black and/or red in their color identity, but not cards with green, white, or blue
they've always been printed in relatively small, single-run quantities, but players either grab them up in an instant and turn them into sealed collector's items, or they ended up forgotten
(It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.") Creature - Vampire Soldier Restless Bloodseeker At the beginning of your end step, if you gained life this turn, create a Blood token
Bonecrusher Giant is going to be the most common card as Stomp negates our damage prevention along with Texting Beast aka Questing Beast
The Monk rates lower on the list because he can be more easily killed by the color he is designed to hose