Ninja Teen — ruling 1

If a creature spell's sneak cost was paid, the creature it becomes enters tapped and attacking the same player, planeswalker, or battle as the creature that was returned to its owner's hand to pay its sneak cost. This is a rule specific to sneak; in other cases, when a creature is put onto the battlefield attacking, that creature's controller chooses which player, planeswalker, or battle it's attacking.

Ninja Teen — ruling 2

Each Class starts at level 1 and has the abilities in the top section of its text box. Once a Class advances to level 2 or level 3, it has all of the abilities listed in the associated section of its text box as well.

Ninja Teen — ruling 3

You can't activate an ability that advances a Class to a particular level if that Class is already that level or higher. For example, if a Class is already level 2, you can't activate the ability that advances it to level 2 again.

Ninja Teen — ruling 4

Class cards have multiple text box sections. Other than the top section, each section contains a class level bar that includes a cost and a level number. Each represents an activated ability with the listed cost that advances the Class to the level listed in that bar.

Ninja Teen — ruling 5

If a creature card in your graveyard has multiple sneak abilities, you can cast it from your graveyard using any of those sneak abilities with the permission granted by Ninja Teen's second level 3 ability.

Ninja Teen — ruling 6

Gaining a level won't remove abilities that a Class had at a previous level.

Ninja Teen — ruling 7

An ability that advances a Class to a higher level is a normal activated ability. It uses the stack and can be responded to.

Ninja Teen — ruling 8

Spells can only be cast for their sneak costs any time you could play an instant during the declare blockers step on your turn (after your opponent has decided whether to block).

Ninja Teen : règles, fonctionnement et interactions (MTG)

Ninja Teen 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

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control leaves the battlefield, each opponent loses 1 life. : Level 2 Creatures you control get +1/+0 and have menace. : Level 3 Creature cards in your graveyard have sneak . You may cast creature spells from your graveyard using their sneak abilities.

How it works : Ninja Teen

Original English text — Wizards of the Coast / Scryfall

#1January 27, 2026· Wizards of the Coast
If a creature spell's sneak cost was paid, the creature it becomes enters tapped and attacking the same player, planeswalker, or battle as the creature that was returned to its owner's hand to pay its sneak cost. This is a rule specific to sneak; in other cases, when a creature is put onto the battlefield attacking, that creature's controller chooses which player, planeswalker, or battle it's attacking.
No other card is named in this ruling.
#2January 27, 2026· Wizards of the Coast
Each Class starts at level 1 and has the abilities in the top section of its text box. Once a Class advances to level 2 or level 3, it has all of the abilities listed in the associated section of its text box as well.
No other card is named in this ruling.
#3January 27, 2026· Wizards of the Coast
You can't activate an ability that advances a Class to a particular level if that Class is already that level or higher. For example, if a Class is already level 2, you can't activate the ability that advances it to level 2 again.
No other card is named in this ruling.
#4January 27, 2026· Wizards of the Coast
Class cards have multiple text box sections. Other than the top section, each section contains a class level bar that includes a cost and a level number. Each represents an activated ability with the listed cost that advances the Class to the level listed in that bar.
No other card is named in this ruling.
#5January 27, 2026· Wizards of the Coast
If a creature card in your graveyard has multiple sneak abilities, you can cast it from your graveyard using any of those sneak abilities with the permission granted by Ninja Teen's second level 3 ability.
No other card is named in this ruling.
#6January 27, 2026· Wizards of the Coast
Gaining a level won't remove abilities that a Class had at a previous level.
No other card is named in this ruling.
#7January 27, 2026· Wizards of the Coast
An ability that advances a Class to a higher level is a normal activated ability. It uses the stack and can be responded to.
No other card is named in this ruling.
#8January 27, 2026· Wizards of the Coast
Spells can only be cast for their sneak costs any time you could play an instant during the declare blockers step on your turn (after your opponent has decided whether to block).
No other card is named in this ruling.
#9January 27, 2026· Wizards of the Coast
Casting creature spells from your graveyard using their sneak abilities with the permission granted by Ninja Teen's first level 3 ability doesn't change when you can cast them. You'll only be able to cast them this way during the declare blockers step on your turn when you could play an instant, and you'll still have to pay the sneak cost, including returning an unblocked attacking creature you control to its owner's hand.
No other card is named in this ruling.
#10January 27, 2026· Wizards of the Coast
There's no restriction on how many Class permanents you can control, whether they're the same or different classes. Each Class permanent tracks its own level separately.
No other card is named in this ruling.
#11January 27, 2026· Wizards of the Coast
Although a creature put onto the battlefield this way is attacking, it was never declared as an attacking creature. Abilities that trigger whenever a creature attacks won't trigger when that creature enters attacking.
No other card is named in this ruling.