If this card is Normal or Special Summoned: You can add 1 “Aetherbound” Spell/Trap from your Deck to your hand. If this card is sent to the GY as material for the Summon of an “Aetherbound” monster: You can Special Summon 1 Level 4 or lower “Aetherbound” monster from your hand or GY, except “Aetherbound Pathfinder”. You can only use each effect of “Aetherbound Pathfinder” once per turn.