Currency Monsters are Extra Deck monsters with traditional Extra Deck traits (Special Summon, goes back to Extra Deck when it "returns to the hand", etc.) but it has some cool little tricks up its own sleeves
These Basic () Pokmon feature stats that rival those of Stage 2 fully-evolved Pokmon
"Tamabot Burst Dragon" reduces to 3700 ATK and Yuhi cries with shock as Damamu asks if they can destroy "Tamainabot" now, though Yuhi begs them not to and after "Tamainabot" is destroyed, "Tamabot Burst Dragon" attacks Yuhi directly with "Explosion Randamu", reducing Yuhi to zero LP with a cry of "3700"
Agent of Trachery rewards you if you take a lot of cards from other players
Blue-Eyes White Dragon is eligible in worldwide tournaments, leaving players to use and combine the Monster card as they please to
Between this and the fact that blacks best mana ramp spells only tend to thrive in specific niches of the Commander format, such as cEDH, mono and two color black decks, combo decks, and/or builds with reliable access to Urborg, Tomb of Yawgmoth, theres really no way to rank these cards
