Unless youre in possession of an obviously rare and desirable card, the amount of money you spend shipping a card and having it graded is rarely going to be worth the amount youll sell that card for on the secondary market
If your opponent only has their commander out when you cast Riches, thats definitely a win-win
The other card has a 3/49 chance of being a Lightning Bolt
Its the best way for Four-Color Saheeli to pressure other planeswalkers, namely Gideon, Ally of Zendikar, that it struggled with in the past
SR Super Rare 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
Its not a particularly popular set, with scant few chase cards , though its worth mentioning that in terms of playability its got some of the best Pokmon cards in more modern sets