Case of the Gorgon's Kiss
Enchantment - Case
(CMC 1)
When this Case enters the battlefield, destroy up to one target creature that was dealt damage this turn.
To solve -- Three or more creature cards were put into graveyards from anywhere this turn. (If unsolved, solve at the beginning of your end step.)
Solved -- This Case is a 4/4 Gorgon creature with deathtouch and lifelink in addition to its other types.