Ogre Battlecaster — ruling 1

You must cast the spell as Ogre Battlecaster's triggered ability resolves. You can't wait and cast it later.

Ogre Battlecaster : règles, fonctionnement et interactions (MTG)

Ogre Battlecaster is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

First strike Whenever this creature attacks, you may cast target instant or sorcery card from your graveyard by paying in addition to its other costs. If that spell would be put into a graveyard, exile it instead. When you cast that spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value.

How it works : Ogre Battlecaster

Original English text — Wizards of the Coast / Scryfall

#1December 2, 2022· Wizards of the Coast
You must cast the spell as Ogre Battlecaster's triggered ability resolves. You can't wait and cast it later.
No other card is named in this ruling.