Problems with animated tokens

[travolter]

On slightlymagic forum Replika wrote:

If I control Mox Opal and another artifact and animate one of these with Tezzeret, Mox Opal can tap for mana (or: Animated artifacts are counted twice).

and

Inkmoth Nexus does not work properly with Tezzeret, Agent of Bolas. You should have a 5/5 artifact land creature after your turn. However, the Inkmoth animation token simply vanishes.