Switching Power and Toughness is always applied last.

Effects that switch the power and toughness of a creature are always applied last. Why? It's just easier to calculate. For example: Lets start with a 1/4 and switch it power and toughness via its Landfall triggered ability so it is now a 4/1. If at the beginning of the combat step it get +2/+0 from 's triggered ability, the Snapper will end up as a 4/3. This is because when calculating the power and toughness of this Snapper you start with its 'base' 1/4 characteristics, add the +2/+0 from

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How Inkmoth Nexus and Tezzeret, Agent of Bolas interact.

One area of player confusion is how multiple abilities that 'animate' a permanent interact. A very common interaction that has come up a lot lately deals with ' animation ability and the planeswalker second activated ability. In order to get this ball rolling, you must first use Inkmoth Nexus' ability to turn the Nexus into a 1/1 artifact creature land with both flying and infect. This Nexus will still have the normal abilities of an Inkmoth Nexus, the mana ability and the 'animation' activated

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