Lobber Crew — ruling 1

The hybrid spells in the Return to Ravnica set are multicolored, even if you cast them with one color of mana.

Lobber Crew — ruling 2

You'll untap Lobber Crew before that spell resolves.

Lobber Crew : règles, fonctionnement et interactions (MTG)

Lobber Crew 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

Defender : This creature deals 1 damage to each opponent. Whenever you cast a multicolored spell, untap this creature.

How it works : Lobber Crew

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2012· Wizards of the Coast
The hybrid spells in the Return to Ravnica set are multicolored, even if you cast them with one color of mana.
No other card is named in this ruling.
#2October 1, 2012· Wizards of the Coast
You'll untap Lobber Crew before that spell resolves.
No other card is named in this ruling.