Pyke, Bloodharbor Ripper

Deathtouch
If this creature deals damage to a planeswalker, destroy that planeswalker
Whenever Pyke, Bloodharbor Ripper kills a creature or planeswalker create a colorless Treasure artifact token with "{t}Sacrifice this artifact, add one mana of any color to your mana pool."
"Part of the kill, Part of the gold."