Darksteel Ingot. Indestructible is a static ability that means that any permanent that has indestructible cannot be destroyed, and cannot be destroyed as a result of lethal damage.
The less-than symbol (<) represents an inequality in which the number or problem on the left is smaller than that on the right; however, it can be reversed (>) to show that the item on the left is greater than that on the right.
Remind the class that greater than means bigger, less than means smaller, equal to means the same. Explain that as a class, everyone will review the symbols used to compare numbers. Define symbols as things that are used to stand for or represent something. In this case, symbols are used to compare numbers by size.