Once per turn: You can target 2 "Cipher" monsters you control; their Levels become 8 until the end of this turn. You can only use each of the following effects of "Cipher Biplane" once per turn. If a "Cipher" monster(s) is Normal or Special Summoned to your field (except during the Damage Step): You can Special Summon this card from your hand. If this card is destroyed by battle or card effect and sent to the GY: You can banish this card from your GY; add 1 "Cipher" monster from your Deck to your hand.