Mogg Flunkies — ruling 1

If you control more than one Mogg Flunkies, they can attack or block together, even if no other creatures attack or block.

Mogg Flunkies — ruling 2

Although Mogg Flunkies can't attack alone, other attacking creatures don't have to attack the same player, planeswalker, or battle. For example, Mogg Flunkies could attack an opponent and another creature could attack a planeswalker that opponent controls. Similarly, other blocking creatures don't have to block the same creature that Mogg Flunkies blocks.

Mogg Flunkies — ruling 3

Once Mogg Flunkies has attacked or blocked, it will remain in combat even if you no longer control another attacking or blocking creature.

Mogg Flunkies — ruling 4

If an effect says that Mogg Flunkies attacks or blocks if able and you control another creature able to attack or block, you must attack or block with Mogg Flunkies and that creature.

Mogg Flunkies — ruling 5

In a Two-Headed Giant game, Mogg Flunkies can attack or block with a creature controlled by your teammate, even if no other creatures you control are attacking or blocking.

Mogg Flunkies : règles, fonctionnement et interactions (MTG)

Mogg Flunkies 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

This creature can't attack or block alone.

How it works : Mogg Flunkies

Original English text — Wizards of the Coast / Scryfall

#1March 16, 2018· Wizards of the Coast
If you control more than one Mogg Flunkies, they can attack or block together, even if no other creatures attack or block.
No other card is named in this ruling.
#2March 16, 2018· Wizards of the Coast
Although Mogg Flunkies can't attack alone, other attacking creatures don't have to attack the same player, planeswalker, or battle. For example, Mogg Flunkies could attack an opponent and another creature could attack a planeswalker that opponent controls. Similarly, other blocking creatures don't have to block the same creature that Mogg Flunkies blocks.
No other card is named in this ruling.
#3March 16, 2018· Wizards of the Coast
Once Mogg Flunkies has attacked or blocked, it will remain in combat even if you no longer control another attacking or blocking creature.
No other card is named in this ruling.
#4March 16, 2018· Wizards of the Coast
If an effect says that Mogg Flunkies attacks or blocks if able and you control another creature able to attack or block, you must attack or block with Mogg Flunkies and that creature.
No other card is named in this ruling.
#5March 16, 2018· Wizards of the Coast
In a Two-Headed Giant game, Mogg Flunkies can attack or block with a creature controlled by your teammate, even if no other creatures you control are attacking or blocking.
No other card is named in this ruling.