Niressia, Azure Queen

Niressia, Azure Queen's power is equal to the
number of artifacts you control.
When Niressia, Azure Queen enters the battlefield, choose one.
- Create X 2/2 colourless Soulless artifact
creature tokens with flying.
- X Artifacts you control become 4/4 blue
Wyvern creature tokens with flying and trample.
{3}{u}{u}: Put Niressia, Azure Queen into its
owners library, fourth from the top.