Kuribohrn X LIGHT Level 1 [ FiendEffect ] ATK 300 DEF 200 At the end of the Battle Phase: You can discard this card, then target 1 monster in your GY that was destroyed by battle and sent there this turn
Instead, to explain its price, Gemstone Caverns is rarer rare, having only recently been reprinted in Tales of Middle-earth
If you can somehow send this guy to your graveyard from the deck with cards like Foolish Burial , then you can see why the value on this card is astronomical
There are plenty of good ways to deal with creatures, so as long as you save them for the right targets, it is mostly about small edges, synergy, using your cards at the right time, a timely combat trick or double-block, and executing your archetypes game plan correctly