Welcome to Valhalla

As an additional cost to cast this spell, sacrifice a
Basic Land or lose three life.
This spell cannot be countered.
Enchant creature.
The enchanted creature changes its name to
Warrior of Valhalla, gains indestructible, a +1/+1 counter, and "When Warrior of Valhalla dies,
put it onto the battlefield with a +1/+1 counter
under your control. "
He won the battle but lost something else ...