Rilliona, the Magistus of Verre

If this card is Normal or Special Summoned: You can activate 1 of these effects; ● Add 1 "Magistus" Spell/Trap from your Deck to your hand. ● Return 1 of your banished Level 4 or lower Spellcaster monsters to your GY. You can banish this card from your GY, then target 1 "Magistus" monster you control; equip it with 1 "Magistus" monster from your GY, except a Level 4 monster. You can only use each effect of "Rilliona, the Magistus of Verre" once per turn.

Spellcaster LIGHT Effect Monster 4 effect