MTG - Magic the Gathering - Alliances (1996) - Phyrexian Boon #2
Item was never played with
Enchant creature
Enchanted creature gets +2/+1 as long as it's black. Otherwise, it gets -1/-2.
"Phyrexia's touch is painful to all but the blackest of hearts."-Gerda Äagesdotter,Archmage of the Unseen