Archie, Nightmare Hunter

When Archie, Nightmare Hunter enters the battlefield, create Teddy, a colorless legendary
artifact token that has Indestructible and
"{t}, Target creature is a Nightmare in addition
to its other types for the rest of the game."
Archie, Nightmare Hunter gets +1/+1 for each Nightmare in your opponent's graveyards, and
has Shroud as long as there are at least 3.
{2}{w}, {t}: Destroy target Nightmare.