Furyblade Vampire question

[synthetic]

If you have two Furyblade Vampire out on the field and you discard a card at the beginning of combat, does that trigger both cards +3/+0?  or do you have to discard a card for each vampire to gain the ability? 
I'm thinking since its not a trigger and its an ability you would have to discard two cards, but i'm not sure.

thanks in advance.

[JazionKeera]

No, you do not get them both buffed if you discard only one card.

The ability is one that triggers at the start of combat, allowing you to discard a card so that Furyblade Vampire gets buffed until the end of turn. If a card has its own name in the text, it generally refers only to that particular card itself, not everything that has the same name as it.

In short, yeah, you have to discard two cards to buff them.