Answer:
Four kings of whom I am one lord. Often on deck but never on board. Though I have a large heart, I am always seen at war. During which I always wear a suit, but never a suit of armor. Who or what am I?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
Precious stones in a pack of cards.
What has two ends but no beginning?
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?