Necklace of Command isn't really worth anything. If you have the shiny 'Ultimate Rare' version, you might get £1 for it at the most.
There is no card by that name
$23 $23
Roughly 5 USD
Not much. It's a fairly common card and wouldn't be worth any more than a dollar at most.
It is worth around $30. It is an ultra good card and is very rare to find.
Helpoemer is worth next to nothing, it is an extremely poor card.
There is no card by that name
Lava Golem is a Yu-Gi-Oh card worth around $2.00
$23 $23
He's worth next to nothing, it's a common card and there's no demand for it.
St. Joan is worth about 30 cents.
Lava Golem is a Yu-Gi-Oh card worth around $2.00
abkut 50¢
about 25 cents
Roughly 5 USD
£2
Mountain is a common card with no demand, and can be obtained for mere pennies.