Opponents want to get rid of Kaito as soon as possible because the easy emblem to boost ninjas, and free card draw ability add up real fast
Longer term this card has a lot of potential if any low-cost Merlins are released especially in Sapphire, Steel, or Ruby
Among all of the Enduring cards, and of course because it's a red deck wins card, it's also the cheapest among the regular versions for only $0.70
9 Shifting Woodland It Can Be Anything You Need Modern Horizons 3 had some incredible cards from it, and it even had its own uncommon cycle of spells that can be lands that almost made the list
The upshot here is that there are a lot of hard-to-answer cards in the new Standard, and something that allows us to just remove them before they can do anything is going to be both powerful and flexible
Despite the reasonable power to cost ratio of Voidmage he rare gets his beat on as most things kill him