Crovax the Cursed

Legendary Creature - Vampire 0/0, 2BB (4)
Crovax the Cursed comes into play with four +1/+1 counters on it.
At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.
{B}: Crovax gains flying until end of turn.¹
Illus. Pete Venters

Crystal Keep Rulings Summaries

• Can sacrifice itself to its upkeep triggered ability. [Barclay 1998/02/27]
• You can only sacrifice one card to it each turn. [D'Angelo 1998/10/12]
• If you choose not to sacrifice a creature and he has no +1/+1 counters, then nothing bad happens. [DeLaney 1999/01/13] Note that some other effect must be keeping him alive if he has no counters.
• Note - Also see Legendary, Rule G12.9.
• Note - This card was of creature type "Legend" until Oracle 2004/10/01.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Stronghold (Rare)