Wurmcoil

[griffin131]

Then how would {blood artist} work with tokens. Also undying still triggers on tokens even though they dont come back to the field.  {Mikaeus, the Unhallowed} for example gives undying to everything, including tokens. When they "die" they dont go to the GY but it still triggers.

The tokens do go to the graveyard. They just cease to exist as a state based action.
And {Rest in Peace} does mean that things don't "die", but they still get exiled when they leave the battlefield.