There are several versions of Liliana available in Pioneer Masters, however, Liliana Vess is arguably the most powerful
Meanwhile, any control player who wipes your creatures with this card is sitting happy with a loaded hand and plenty of ammunition to cancel out any attempt at a comeback
24 Spells Young Wolf Blisterpod Deathrite Shaman Bird of Paradise Elves of Deep Shadow Carrion Feeder Butcher Ghoul Collective Brutality Zulaport Cutthroat Blood Artisist Sultai Emissary Sylvan Ranger Smallpox Abrupt Decay Hangarback Walker Bloodghast Ophiomancer Yehenni, Undying Partisan Flesh Carver Grim Haruspex Liliana, Heretical Healer Meren of Clan Nel Toth Braids, Cabal Minion Smokestack 16 Lands including a Gaea's Cradle
Kaldra Compleat provides an expensive way to provide both indestructibility and a host of other keywords, including first strike, trample, and haste
Those products also had non-standard card backs, making them unusable in tournaments