Many early Bandai prisms were actually peelable stickers
Maybe we need a trading system or an in-game market to transfer unwanted cards/wildcards into stuff we want
The tension for Liliana, Heretical Healer is that the format is designed around interacting in the early turns, but she excels at building an overwhelming board position in the later stages of the game
If you're sticking to the Vampire Aristocrats theme then the first cards I'd pick up would be Vampiric Tutor (finds Skullclamp and has Vampire in it!), Bloodletter of Aclazotz which doubles your drain / damage output on your turn absolutely wild, Bloodline Keeper provides sac fodder and a strong anthem, Legion's Landing nice thematic ramp, and Sorin, Imperious Bloodlord thematic ramp and removal
Team Rocket's Tarountula 019/182 Loading
Not only is this a solid way to mitigate combat damage or direct removal by blinking your creature out of harms way, but this will activate any enter the battlefield (ETB) triggers