Whenever you finish a Short Rest, you can study your spellbook and replace one of the level 1+ Wizard spells you have prepared for your Spellcasting feature with another level 1+ spell from the book.
Memorize Spell
Raw data
{
"name": "Memorize Spell",
"page": 167,
"level": 5,
"srd52": true,
"__prop": "classFeature",
"source": "XPHB",
"entries": [
"Whenever you finish a {@variantrule Short Rest|XPHB}, you can study your spellbook and replace one of the level 1+ Wizard spells you have prepared for your Spellcasting feature with another level 1+ spell from the book."
],
"className": "Wizard",
"classSource": "XPHB",
"basicRules2024": true
}