Answer:
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
The more you take, the more you leave behind.
It holds no blessings in disguise. Its rhymes are aimed at your demise, it's cast only to ruin, Whatever you are doin'.
It is destruction made out of thin air, You hear it howl and give a prayer, Through barns and houses it will tear. It is a deadly funnel, Of violent and twisting air.
My first keeps time, my second spends time, my whole tells time.
What sphinxes employ and players enjoy.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?