The Surgeon

Menace.
When The Surgeon enters the battlefield. Spawn
two 2/2 Black "Nightmare" Creature tokens
named "Caretaker" into play with Haste.
The Surgeon gets Vigilance and +0/+2 for every
"Caretaker" on your side of the field. This card
gets Double Strike if you control no "Caretaker."
{b}{b} Delay 2: At the end of the Delay if you have
at least one "Caretaker" Summon a 2/2 Black
"Nightmare" Creature token named "Caretaker"
Into play tapped.