Nissa of Shadowed Boughs — ruling 1

A landfall ability triggers whenever a land you control enters for any reason. It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control.

Nissa of Shadowed Boughs — ruling 2

A landfall ability doesn't trigger if a permanent already on the battlefield becomes a land.

Nissa of Shadowed Boughs — ruling 3

Whenever a land you control enters, each landfall ability of the permanents you control will trigger. You can put them on the stack in any order. The last ability you put on the stack will be the first one to resolve (As a result, you can have those abilities resolve in the order of your choosing.).

Nissa of Shadowed Boughs — ruling 4

Effects that modify the power or toughness of the land creature without setting it will apply to its new base power and toughness no matter when they started to take effect. The same is true for counters that change its power and toughness.

Nissa of Shadowed Boughs — ruling 5

Nissa's middle ability can target a land that's already untapped or that's already a creature.

Nissa of Shadowed Boughs — ruling 6

The creature card's mana value is checked only in your hand or graveyard. You may put a creature card onto the battlefield whose mana value becomes greater than the number of lands you control once it's on the battlefield, most likely because it enters as a copy of another permanent.

Nissa of Shadowed Boughs — ruling 7

If a card in a player's hand or graveyard has {X} in its mana cost, X is considered to be 0.

Nissa of Shadowed Boughs — ruling 8

Nissa's middle ability doesn't remove any abilities the land creature has.

Nissa of Shadowed Boughs : règles, fonctionnement et interactions (MTG)

Nissa of Shadowed Boughs 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

Landfall — Whenever a land you control enters, put a loyalty counter on Nissa. +1: Untap target land you control. You may have it become a 3/3 Elemental creature with haste and menace until end of turn. It's still a land. −5: You may put a creature card with mana value less than or equal to the number of lands you control onto the battlefield from your hand or graveyard with two +1/+1 counters on it.

How it works : Nissa of Shadowed Boughs

Original English text — Wizards of the Coast / Scryfall

#1November 8, 2024· Wizards of the Coast
A landfall ability triggers whenever a land you control enters for any reason. It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control.
No other card is named in this ruling.
#2November 8, 2024· Wizards of the Coast
A landfall ability doesn't trigger if a permanent already on the battlefield becomes a land.
No other card is named in this ruling.
#3November 8, 2024· Wizards of the Coast
Whenever a land you control enters, each landfall ability of the permanents you control will trigger. You can put them on the stack in any order. The last ability you put on the stack will be the first one to resolve (As a result, you can have those abilities resolve in the order of your choosing.).
No other card is named in this ruling.
#4September 25, 2020· Wizards of the Coast
Effects that modify the power or toughness of the land creature without setting it will apply to its new base power and toughness no matter when they started to take effect. The same is true for counters that change its power and toughness.
No other card is named in this ruling.
#5September 25, 2020· Wizards of the Coast
Nissa's middle ability can target a land that's already untapped or that's already a creature.
No other card is named in this ruling.
#6September 25, 2020· Wizards of the Coast
The creature card's mana value is checked only in your hand or graveyard. You may put a creature card onto the battlefield whose mana value becomes greater than the number of lands you control once it's on the battlefield, most likely because it enters as a copy of another permanent.
No other card is named in this ruling.
#7September 25, 2020· Wizards of the Coast
If a card in a player's hand or graveyard has in its mana cost, X is considered to be 0.
No other card is named in this ruling.
#8September 25, 2020· Wizards of the Coast
Nissa's middle ability doesn't remove any abilities the land creature has.
No other card is named in this ruling.
#9September 25, 2020· Wizards of the Coast
Nissa's middle ability overwrites any previous effects that set the land creature's power and/or toughness to specific values. Other effects that set these characteristics to specific values that start to apply after the ability resolves will overwrite that part of the effect.
No other card is named in this ruling.