Higure, the Still Wind

Legendary Creature - Human Ninja 3/4, 3UU (5)
Ninjutsu {2}{U}{U} ({2}{U}{U}, Return an unblocked attacker you control to hand: Put this card into play from your hand tapped and attacking.)
Whenever Higure deals combat damage to a player, you may search your library for a Ninja card, reveal it, and put it into your hand. If you do, shuffle your library.
{2}: Target Ninja creature is unblockable this turn.¹
Illus. Christopher Moeller

Crystal Keep Rulings Summaries

• You look in your library but are not required to find a Ninja card even if you have one. See Rule G19.4. [D'Angelo 2005/12/01]
• Note - Also see Legendary, Rule G12.9.
• Note - Also see Ninjutsu, Rule 502.43.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Betrayers of Kamigawa (Rare)