Akin to Cannon Soldier MK-2 and Toon Cannon Soldier, it does burn damage based on tributing monsters, and in modern Yu-Gi-Oh, a game predicated on the existence of power creep (printing more and more powerful cards to entice potential sales), its incredibly easy to actually summon monsters to your side of the field
Whether it's Piedmon from the Digimon Adventure 01 anime, Dhoulmagus from Dragon Quest VIII , or even Chuckles from Legends of Avantris , I'm an absolute sucker for evil or demented clowns
Though being a 10-year-old with that much money could have led to some serious issues
Slimefoots low cost means you can cast him from the command zone with ease, and his passive ability, (note the crucial wording of each opponent) combined with a board full of Saprolings and a good sacrifice outlet, has the potential to wipe out an entire Commander pod in one stroke
If you really want to go all in on restrictions, Urtet, Remanat of Memnarch and Avatar Aang are only going to get some beginning support from sets and maybe sporadic or never again support