You cannot respond to the choice of creature type with Adaptive Automaton’s ability.

Magic 2012 has introduced a new do-it-yourself lord that give +1/+1 to creatures of a chosen type that you control. The itself also becomes this type, but it does not gain the +1/+1 bonus from its own ability. It is important to note that the choice of creature type is made as the Automaton enters […]

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