Most of the Necrons synergize very well with either self-mill or the unearth mechanic
If you gain an amount of life "for each" of something, that life is gained as one event and Vito's first ability triggers only once
While lower in price than top-tier Luffy or Law cards, its still a high-value card within PRB01 sets
The deluge of new cards combined with their complexity has even the most experienced players asking what cards do multiple times per game
(If a creature with a finality counter on it would die, exile it instead.) Necromantic Lich (version #4) 1B Creature Zombie Warlock 2/2 Menace (This creature can't be blocked except by two or more creatures.) Once during each of your turns, you may cast a Zombie spell from your graveyard
But we only had a few hundred slots for cards, and my "things most important to reference spreadsheet" had over 600 rows, and that was me attempting restraint