Grim Reaper's Sprint

Morbid — This spell costs {3} less to cast if a creature died this turn. Enchant creature When this Aura enters, untap each creature you control. If it's your main phase, there is an additional combat phase after this phase. Enchanted creature gets +2/+2 and has haste.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o4x8q2gsppb1hrx8w07rs.