If this card is added to your hand, except by drawing it: You can Special Summon it. If this card is Special Summoned or flipped face-up: You can target 1 "Ninja" or "Ninjitsu Art" card from your GY or face-up Spell & Trap Zone, except "Baku the Beast Ninja"; return it to the hand. You can only use each effect of "Baku the Beast Ninja" once per turn.