Rocket-Powered Goblin Glider — ruling 1

Mayhem represents an alternative cost that can be paid to cast a spell from your graveyard if you discarded the card with mayhem that turn. You must pay any additional costs the spell has.

Rocket-Powered Goblin Glider — ruling 2

You must follow all normal timing rules when casting a spell with mayhem. For example, you can't cast a creature card with mayhem you couldn't normally cast during an opponent's turn, even if you discard that card during an opponent's turn.

Rocket-Powered Goblin Glider : règles, fonctionnement et interactions (MTG)

Rocket-Powered Goblin Glider 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

When this Equipment enters, if it was cast from your graveyard, attach it to target creature you control. Equipped creature gets +2/+0 and has flying and haste. Equip Mayhem

How it works : Rocket-Powered Goblin Glider

Original English text — Wizards of the Coast / Scryfall

#1September 19, 2025· Wizards of the Coast
Mayhem represents an alternative cost that can be paid to cast a spell from your graveyard if you discarded the card with mayhem that turn. You must pay any additional costs the spell has.
No other card is named in this ruling.
#2September 19, 2025· Wizards of the Coast
You must follow all normal timing rules when casting a spell with mayhem. For example, you can't cast a creature card with mayhem you couldn't normally cast during an opponent's turn, even if you discard that card during an opponent's turn.
No other card is named in this ruling.