Pietra, Crafter of Clowns — ruling 1

Robot is a creature type. There may be creatures that appear to be robotic in nature that don’t have the Robot creature type. They won’t get +1/+1 from Pietra’s second ability. That ability affects all Robots you control, not only the tokens created by the last ability.

Pietra, Crafter of Clowns — ruling 2

Each joke you tell should be appropriate for the audience, keeping in mind that not everyone in attendance may be aware of your personal comedic stylings.

Pietra, Crafter of Clowns — ruling 3

While you must use a new joke each time you activate Pietra’s ability, you may choose the same person as the audience, especially if they think you’re funny.

Pietra, Crafter of Clowns — ruling 4

You may read the joke from an outside source if you need to.

Pietra, Crafter of Clowns — ruling 5

Each Pietra you control knows what jokes you’ve told that game, even if that Pietra wasn’t under your control when you told that joke.

Pietra, Crafter of Clowns — ruling 6

Pietra keeps a list of jokes for every player. If another player gains control of Pietra, they can tell a joke you’ve already told, as long as they haven’t told that joke yet.

Pietra, Crafter of Clowns — ruling 7

Even the mildest laugh counts. A giggle, a guffaw, a chortle . . . they all give the Clown Robot haste.

Pietra, Crafter of Clowns — ruling 8

You may find yourself drawing quite the crowd as your joke-telling skills become legend. Make sure you identify one specific person outside the game before your joke. Only their laughter (or lack thereof) matters, even if others are rolling on the proverbial or literal floor.

Pietra, Crafter of Clowns : règles, fonctionnement et interactions (MTG)

Pietra, Crafter of Clowns is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Haste Robots you control get +1/+1. , , Tell a joke you haven't told this game to someone outside the game: Create a 1/1 white Clown Robot artifact creature token. If that person laughed, the token gains haste until end of turn.

How it works : Pietra, Crafter of Clowns

Original English text — Wizards of the Coast / Scryfall

#1October 7, 2022· Wizards of the Coast
Robot is a creature type. There may be creatures that appear to be robotic in nature that don’t have the Robot creature type. They won’t get +1/+1 from Pietra’s second ability. That ability affects all Robots you control, not only the tokens created by the last ability.
No other card is named in this ruling.
#2October 7, 2022· Wizards of the Coast
Each joke you tell should be appropriate for the audience, keeping in mind that not everyone in attendance may be aware of your personal comedic stylings.
No other card is named in this ruling.
#3October 7, 2022· Wizards of the Coast
While you must use a new joke each time you activate Pietra’s ability, you may choose the same person as the audience, especially if they think you’re funny.
No other card is named in this ruling.
#4October 7, 2022· Wizards of the Coast
You may read the joke from an outside source if you need to.
No other card is named in this ruling.
#5October 7, 2022· Wizards of the Coast
Each Pietra you control knows what jokes you’ve told that game, even if that Pietra wasn’t under your control when you told that joke.
No other card is named in this ruling.
#6October 7, 2022· Wizards of the Coast
Pietra keeps a list of jokes for every player. If another player gains control of Pietra, they can tell a joke you’ve already told, as long as they haven’t told that joke yet.
No other card is named in this ruling.
#7October 7, 2022· Wizards of the Coast
Even the mildest laugh counts. A giggle, a guffaw, a chortle . . . they all give the Clown Robot haste.
Card named in this ruling
Clown Robot
#8October 7, 2022· Wizards of the Coast
You may find yourself drawing quite the crowd as your joke-telling skills become legend. Make sure you identify one specific person outside the game before your joke. Only their laughter (or lack thereof) matters, even if others are rolling on the proverbial or literal floor.
No other card is named in this ruling.