pokemon gen 1 booster pack Neo Genesis 1st Edition and Jolteon Pokemon Assorted boosters: 4 Packs

And that assumes theyre trading the next most valuable mythic in the set, and not one of the less valuable mythics like Jodah, the Unifier ($3.81), or Ajani, Sleeper Agent ($1.87)

A creature can be under the effect of only one Role token at a time

You bring a strong tap ability that will Resurrection a another dying target dork, not just recur it to your hand

This means you could have Brocks Rhyhorn but you couldnt evolve it into Rhydon

Here is the link to those images - front and back of Venusaur Art-Work (Light is on Left - Dark is on Right)

Being able to do this pretty much whenever you need, with practically no downsides, is ridiculously useful