original pokemon card game rules Pokeno Toys Pokémon TCG Comprehensive Rules -

Five mana for one of the more maligned Planeswalkers out there

You can also buff advisors this way, so its a strong combo with Persistent Petitioners

Not quite the traditional Fling effect (here your opponent can remove the sacrificed creature in response to casting the spell), but it has upsides in that the creature itself deals damage to the target, so deathtouch or lifelink will work (as will abilities that trigger when the creature deals the damage)

You can also extend the concept by playing cards like Mizzix, Replica Rider, Vega, the Watcher, Keeper of Secrets, and Flaming Tyrannosaurus, which reward you for playing cards from any zone other than your hand

Transmute Artifact can effectively trade up any artifact, even a token, for literally anything else in your deck, making it a widely sought-after card for any artifact deck looking to splurge a bit