Additionally, Pearl Lake Ancient allows us to pick up lands, and that can synergize pretty well with a couple of our retrace and jumpstart cards that we are running
That creature is black and is a Nightmare in addition to its other creature types
Nameless Inversion Nameless Inversion is really nice because not only is it not a creature, but its also removal
Korlash, Heir to Blackblade and Dakkon Blackblade
It has the combat trick, it has the removal spell, and then it also has: Stretcher B or G Instant If a card named Goblin Chainwhirler has entered the battlefield this turn, destroy all creatures your opponents control
Where its likely to suffer the most is in protracted battles with Ruby Decks that can clear your hard work with Be Prepared, or against Steel decks that can obliterate your characters more easily than you can theirs.