It’s the only 1900 dragon besides spear dragon tear has a bad side effect. It’s not great but it will be needed in a dragon beatdown (not saying it’ll be good by any means) so don’t be a prick
youre probably a noob who use 0 iq unga bunga dragon deck with peak perfomance,thats why you thought that luster dragon is good,enjoy stuck in low rank with other noobs ;p