Merit

Merit has 2 meanings in Duel Masters.

Details
It can refer to;
 * 1) The advantage of that card.
 * 2) The benefits when compared to another similar card.

It's the opposite of demerit.

==Examples--
 * 1) Deepsea Mecha Ganistar is advantageous when progressed into Mist Rias, Sonic Guardian on the next turn.
 * 2) Comparing Terse Ruth, Lightboom Guardian and Snork La, Shrine Guardian. Terse is able to deal with Mana Burn at 1 less cost (although it has 500 less power).