Sosromir of Aklemia's Dusk

Hexproof
Artifact spells you cast cost {1} less to cast for
each legendary creature you control.
At the beginning of your upkeep, you may
pay {2}{w}{u}{b}. If you do, create a creature
token that is a copy of Sosromir of Aklemia's
Dusk except with "This creature ignores
the legend rule."