Xath, Naga Synth

Xath, Naga Synth's Toughness is equal to the number
of Artifacts your control.
-Whenever Xath, Naga Synth attacks you may
pay {u/b}{u/b}{r/g}{r/g} and choose two
•Take control of target Artifact until Xath,
Naga Synth Leaves the Battlefield.
• Exile Target Artifact Until Xath,
Naga Synth is Removed
•Give Other Artifacts Indestructible
until End of Turn