Runesword

Artifact, 6 (6)
{3}, {T}: Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would be put into a graveyard this turn, exile that creature instead.¹
Illus. Christopher Rush

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (2/3)	Chronicles (Common) The Dark (Rare)