When it gets down to MOC Thundercats the prices can go skyhigh.Then it depends on the Condition you are interested in! I’ve been collecting primarily MOC Lion-os and i can tell you his rarity hinge on the version and the year released. For instance, it’d be very hard to find an 8-Back Lion-o as opposed to a Rainbow 22-back. Over the last 4-5 months many Lion-o moc surfaced on the iternet and it wouldn’t be to difficult to snatch one, keep in mind that as we are reaching closer to the New series the prices will go even higher.