Very well then, here's a possible proposed replacement.

Name: Spellbook of Resonance
Spell type: Normal
Effect: Target 2 Spellcaster-Type monster you control with different levels, reveal 1 "Spellbook" Spell Card in your hand; Apply these effects, in sequence, depending on the number of difference between the levels of those targets. You can only activate 1 "Spellbook of Resonance" per turn.
● 1: Select one Target: increase or decrease its level By 1.
● 3: Select one Target: Neither player can Special Summon a Monster with a level lower than its level until the end of your next turn.
● 5: Select one Target: Neither player can Special Summon a Monster with a level higher than its level until the end of your next turn.
● 7: Select both Targets: destroy them.