Your search for "minamo sightbender 5" revealed the following:
Minamo Sightbender (BOK) from Betrayers of Kamigawa, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Luca Zontini Card Text:X, T: Target creature with power X or less is unblockable this turn.
Minamo Sightbender (DDI) from Duel Decks: Venser vs. Koth, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Luca Zontini Card Text:X, T: Target creature with power X or less is unblockable this turn.
Minamo Sightbender (Foil) (BOK) from Betrayers of Kamigawa, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Luca Zontini Card Text:X, T: Target creature with power X or less is unblockable this turn.