The ability to fetch out a Swamp without any additional restrictions is pretty nice
otherwise, building a competitive META deck could be challenging
A creature thats both Counterspell and Murder would be too good, so it gives your opponent a cardnormally terrible, but you still get the 3/2
Drannith Magistrate and Soulless Jailer can be very threatening, but they wont actually stop a card such as Amphin Mutineer
Distemper of the Blood
Liliana Vess Liliana of the Dark Realms Liliana of the Veil Liliana's Caress Liliana's Contract Liliana's Defeat Liliana's Devotee Liliana's Elite Liliana's Indignation Liliana's Influence Liliana's Mastery Liliana's Other Contract (double-faced)(playtest) Liliana's Reaver Liliana's Scorn Liliana's Scrounger Liliana's Shade Liliana's Specter Liliana's Spoils Liliana's Standard Bearer Liliana's Steward Liliana's Talent Liliana's Triumph Liliana, Death Mage Liliana, Death Wielder Liliana, Death's Majesty Liliana, Defiant Necromancer Liliana, Dreadhorde General Liliana, Heretical Healer Liliana, Untouched by Death Liliana, Waker of the Dead Liliana, the Last Hope Liliana, the Necromancer Oath of Liliana