Tinybones, the Pickpocket — ruling 1

You choose whether to cast the target nonland permanent card as Tinybones's triggered ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to cast it later in the turn. Timing restrictions based on the card's types are ignored.

Tinybones, the Pickpocket : règles, fonctionnement et interactions (MTG)

Tinybones, the Pickpocket 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

Deathtouch Whenever Tinybones deals combat damage to a player, you may cast target nonland permanent card from that player's graveyard, and mana of any type can be spent to cast that spell.

How it works : Tinybones, the Pickpocket

Original English text — Wizards of the Coast / Scryfall

#1April 12, 2024· Wizards of the Coast
You choose whether to cast the target nonland permanent card as Tinybones's triggered ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to cast it later in the turn. Timing restrictions based on the card's types are ignored.
No other card is named in this ruling.