Echo.
Damage an enemy unit by 3.
Deathblow: Spawn and play a base copy of it.
Conspiracy: Always trigger the Deathblow ability.
Echo: At the beginning of the round, move this card from the graveyard to the top of its owner's deck. Give it Doomed.
Deathblow: Trigger this ability if this card destroys a unit.
Spawn: Add a card to the game.
Conspiracy: Trigger this ability if target unit has Spying status.
Sometimes death is but a simple act of mercy.