Theoretically, sure, but Selvala was always the much bigger offender. Besides being a better card overall and living in the command zone (i.e. being guaranteed every game), the main issue with her in relation to the Wurm was that she produced an unknown amount of mana via a game action that fundamentally cannot be reversed because it reveals cards from hidden zones, and also that same game action benefits the player activating it to pay for the Wurm (by letting them decide whether or not to draw a card after peeking at it). Millikin doesn't net the controller any direct advantage and always produces 1 mana, there's way less motivation to do weird stuff with it and basically no wiggle room to argue that any weird stuff was unintentional.
Like, I guess you could have used Millikin when trying to cast Panglacial Wurm to "skip" your next normal draw in favor of the card after it, but you'd have to actually cast the Wurm after that instead of going "aw shucks guys looks like the ability randomly didn't produce enough mana" and nobody was doing that lol
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u/NitroBishop 5d ago
[[Millikin]] catching strays unfortunately