During your Main Phase, you can Normal Summon 1 Tistina monster, in addition to your Normal Summon Set. (You can only gain this effect once per turn.) You can target 1 face-up monster you control, or if you control a LIGHT Tistina monster, you can target 1 face-up monster on the field instead; change that monster to face-down Defense Position, then add 1 Tistina card from your Deck to your hand, except Breath of the Tistina . You can only use this effect of Breath of the Tistina once per turn.