Flexibility, drama, and a dash of desperationjust what you need when things look grim
The only previous Kamigawa set was infamous for its weak power level and unpopular storyline
Top 5 White Common/Uncommons: Charitable Levy Its a tax piece that replaces itself and ramps you
Skirk Prospector Im trying not to cover every single kindred staple in the set since theres way too many type-specific playables to cover them all, but Skirk Prospector is about ubiquitous as a card can get in Goblin decks
Anytime another creature comes into play, you get to pick between adding three green mana, placing a +1/+1 counter on all creatures you control, or perhaps most importantly, scrying 2 and then drawing a card
There's a lot of charm and quirks from the other games that have a high potential of being miss (WotC please make Sabin suplexing Phantom Train a card)