Dreamscape Citadel

Dreamscape Citadel enters the battlefield with 2
dream counters on it.
{t}, Remove a dream counter from Dreamscape
Citadel: Add {u} or {b}. Then, if there are no
dream counters on it, sacrifice Dreamscape
Citadel.
When Dreamscape Citadel enters a graveyard
from play, it's owner creates 2 1/1 blue and black Horror creature tokens.