Ghoul, Horrorween

Whenever Ghoul enters the battlefield, it taps
unless you control an untapped Horrorween
creature.
Whenever Ghoul untaps, search in your graveyard
for 1 Horrorween spell, and add it to your hand.
{2},{t}: All opponents take damage equal to the
combined strength of all Horrorween creatures
on the field.
Opponent players can target Ghoul directly in
combat phase, unless Ghoul is tapped.