Golgari isnt really trying to do anything this aggressive anyway, and these two cards back-to-back reveal the short breadth of design space for undergrowth
It does not, for example, change when you may activate abilities that can be activated "only as a sorcery." (6/16/2023) Gandalf the White affects a permanent's own enters-the-battlefield and leaves-the-battlefield triggered abilities as well as other triggered abilities that trigger when that permanent enters or leaves the battlefield
Smothering Tithe is a great way to ramp your mana and frustrate your opponents, and while its good in just about any White deck, this deck can leverage those artifact tokens into even more value than most
Every Strixhaven Collector Booster contains a total of 6 cards with special alt-frame treatments, including 13 Extended Art cards, 02 Borderless cards, and 34 Mystical Archive cards (2 foil etched and 12 traditional foils, with 13 Japanese alt-art variants)
Its easy to imagine a group of Kecleon behaving like this in the wild