This works best with cards that produce creatures off landfall triggers like Springheart Nantuko and Scute Swarm
If you play all four copies in your main board, your opening hand has a 40% chance to have one copy of the card and a 60% chance to not have any of the four copies
Then, with all of your Goblins riffing off each other, youll be able to bury your opponents with their bodies or use them to generate tons of mana for a big payoff
Have you seen the Connections
To start with, a Walking Ballista on the battlefield can stop the Saheeli Rai / Felidar Guardian combo, which will make it valuable to many decks to start the format
Huatli, Poet of Unitys ETB effect makes you more likely to be able to transform it quickly, and it can be reliable mana fixing if you run Huatli as your commander