You can also run the thematically appropriate Leonin Relic-Warder and Animate Dead combo alongside this nightmare, slotting in death payoffs that give you mana (Pitiless Plunderer) or life drain (Zulaport Cutthroat)
This card is very risky to play so you should only use it as a last resort
Price Fluctuations: Secondary market speculation can cause rapid wholesale price swings
It can also be Special Summoned, but it sends itself to the graveyard at the end of the turn
If Vitality Salve is still on the battlefield, it can then be controlled, destroyed, stolen, Unsummoned, or just ignored
Use this card to flicker something like Agent of Treachery repeatedly with cheap spells, and your opponents boards will be so bare youll have to resort to stealing their lands (or you can do that first depending on how mean you want to be)