Warmonger's Chariot — ruling 1

The second ability doesn’t cause the equipped creature to lose defender. It just lets it attack.

Warmonger's Chariot — ruling 2

If the equipped creature doesn’t have defender, the second ability simply doesn’t affect it.

Warmonger's Chariot : règles, fonctionnement et interactions (MTG)

Warmonger's Chariot 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

Equipped creature gets +2/+2. As long as equipped creature has defender, it can attack as though it didn't have defender. Equip (: Attach to target creature you control. Equip only as a sorcery.)

How it works : Warmonger's Chariot

Original English text — Wizards of the Coast / Scryfall

#1June 15, 2010· Wizards of the Coast
The second ability doesn’t cause the equipped creature to lose defender. It just lets it attack.
No other card is named in this ruling.
#2June 15, 2010· Wizards of the Coast
If the equipped creature doesn’t have defender, the second ability simply doesn’t affect it.
No other card is named in this ruling.