Morbid — This spell costs

less to cast if a creature died this turn.
Enchant creature
(Target a(n) creature as you cast this object. This card enters attached to that creature.)
When Grim Reaper's Sprint enters the battlefield, 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 (This creature can attack,
and
as soon as it comes under your control.).