Dormant Gomazoa — ruling 1

Dormant Gomazoa's last ability triggers when you become the target of any spell, including one you control. It doesn't matter who else or what else the spell targets.

Dormant Gomazoa — ruling 2

A spell can target you only if it specifically says the word "target." One that says "You draw two cards," for example, doesn't target you.

Dormant Gomazoa — ruling 3

You become the target of a spell when a spell is cast targeting you, when a spell has one of its targets changed to you due to a spell or ability like Deflection, when a spell that's targeting you is copied and that target isn't changed, or when a spell is copied and one of its targets is changed to you.

Dormant Gomazoa — ruling 4

Dormant Gomazoa's last ability won't trigger when you become the target of an ability.

Dormant Gomazoa — ruling 5

If you become the target of a spell, Dormant Gomazoa's last ability triggers and is put on the stack on top of that spell. Dormant Gomazoa's last ability will resolve (allowing you to untap it) first.

Dormant Gomazoa : règles, fonctionnement et interactions (MTG)

Dormant Gomazoa 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

Flying This creature enters tapped. This creature doesn't untap during your untap step. Whenever you become the target of a spell, you may untap this creature.

How it works : Dormant Gomazoa

Original English text — Wizards of the Coast / Scryfall

#1June 15, 2010· Wizards of the Coast
Dormant Gomazoa's last ability triggers when you become the target of any spell, including one you control. It doesn't matter who else or what else the spell targets.
No other card is named in this ruling.
#2June 15, 2010· Wizards of the Coast
A spell can target you only if it specifically says the word "target." One that says "You draw two cards," for example, doesn't target you.
No other card is named in this ruling.
#3June 15, 2010· Wizards of the Coast
You become the target of a spell when a spell is cast targeting you, when a spell has one of its targets changed to you due to a spell or ability like Deflection, when a spell that's targeting you is copied and that target isn't changed, or when a spell is copied and one of its targets is changed to you.
No other card is named in this ruling.
#4June 15, 2010· Wizards of the Coast
Dormant Gomazoa's last ability won't trigger when you become the target of an ability.
No other card is named in this ruling.
#5June 15, 2010· Wizards of the Coast
If you become the target of a spell, Dormant Gomazoa's last ability triggers and is put on the stack on top of that spell. Dormant Gomazoa's last ability will resolve (allowing you to untap it) first.
No other card is named in this ruling.