Would the card have been too powerful to give +1/+1 counters to humans
place 1 Predator Counter on each face-up monster on the field, and if you do, any of those monsters that are Level 2 or higher become Level 1 as long as they have a Predator Counter
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
Unless you are facing a fighting type Pokemon card then I would use it as soon as possible and Ice Shard