Black Sun's Twilight ONE/84

Set: Phyrexia: All Will Be One
Collector Code: ONE/84
Name: Black Sun's Twilight
Type: Instant
Oracle text: Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped.
Rarity: Rare