Gaze of the Gorgon

Instant, 3{B/G} (4)
({B/G} can be paid with either {B} or {G}.)
Regenerate target creature. At end of combat, destroy all creatures that blocked or were blocked by that creature this turn.¹
Even the dead give way to the mineral gaze of the gorgon.
Illus. Stephen Tappin

Gatherer Card Rulings [Nov 2009]

• 10/1/2005: At the next end of combat step in the turn, all creatures that had blocked the targeted creature at any point during the turn will be destroyed. This includes creatures that blocked it before Gaze of the Gorgon was cast. It doesn't matter whether the targeted creature is still on the battlefield at that point.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Ravnica: City of Guilds (Common)