Since all the copies have haste you can attack with an arbitrary number of Cats, say 500, easily swinging around any board presence your opponent might have been able to assemble with ease and winning through combat damage
Logan Paul Pikachu Illustrator bought by A.J
If Gobland gains flash, or you have the ability to play Gobland as though it had flash (due to Teferi, Druid of Argoth, for example), you can ignore the normal timing rules for when during your turn you can play a land, but not any other restrictions
Glissa Sunslayer - modal combat effects that were all relevant up until it finally rotated out, and practically unkillable in battle
The lands are chosen as Rewind resolves
In about 30 seconds you get a predicted professional grade, the four sub-scores graders actually judge, and today's real market value so you only mail the cards worth mailing