Deadly Dhalia of Doom

Deathtouch
Deadly Dahlia cannot attack.
{t}{b}{b}—Target attacking creature is allergic
to dhalia pollen and has a sneezing fit.
It deals no damage this turn and
dhalia gains +1/+0
{"Such a beautiful flower, does it have a scent?"
He sniffed the dhalia and sneezed so hard
his head fell off.}