Ronin Warclub | Magic: The Gathering
Formats Ronin Warclub is Legal in
Official Oracle Text for Ronin Warclub
Whenever a creature enters the battlefield under your control, attach Ronin Warclub to that creature.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Official Rulings for Ronin Warclub
2/1/2005 : The triggered ability won't attach Ronin Warclub to a creature that can't be equipped (such as Goblin Brawler).