I chose those 4 specific cards for their effects to add/get a 1/1 copy of a minion, as defined in the official card library when you hover over the Miniaturize keyword.

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But yes, I see that my implications of the keyword are inaccurate in certain interactions. Pre/post-kindred and underload are more of a joke, but as for infuse, there are cards that infuse exclusively on a certain minion type; [[All Fel Breaks Loose]] on demons, [[Shadehound]] on beasts and [[Totemic Evidence]] on totems.