Endymion, Novice of the Master Magicians

1 Level 4 or lower Spellcaster Pendulum monster
If this card is Link Summoned: You can add 1 "Magical Citadel of Endymion" or 1 Spell that specifically list the card "Magical Citadel of Endymion" in its text from your Deck to your hand. During your Main Phase: You can send 1 Level 3 or lower Spellcaster monster with 1000 or less ATK from your Deck to the GY, then place 1 Continuous Spell from your Deck face-up in your Spell & Trap Zone. You can only use each effect of "Endymion, Novice of the Master Magicians" once per turn.