The Blackjack 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

Flying, crew 2

How it works : The Blackjack

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

Interactions with other cards

These cards' text mentions The Blackjack.

Setzer, Wandering Gambler

When Setzer enters, create The Blackjack, a legendary 3/3 colorless Vehicle artifact token with flying and crew 2. Whenever a Vehicle you control deals combat damage to a player, flip a coin. Whenever you win a coin flip, create two tapped Treasure tokens.