Birgi, God of Storytelling // Harnfel, Horn of Bounty
Every rules interaction we've explained for Birgi, God of Storytelling // Harnfel, Horn of Bounty, alongside Wizards of the Coast's official rulings. Pick a combo below, or check it against a card we haven't covered yet.
Oracle text
Whenever you cast a spell, add 
. Until end of turn, you don't lose this mana as steps and phases end.
Creatures you control can boast twice during each of your turns rather than once.
Discard a card: Exile the top two cards of your library. You may play those cards this turn.
Explained interactions
Official rulings
2021-02-05- Wizards of the Coast · 2021-02-05
If an effect instructs a player to choose a card name, the name of either face may be chosen. If that effect or a linked ability refers to a spell with the chosen name being cast and/or a land with the chosen name being played, it considers only the chosen name, not the other face’s name.
Official rulings, quoted verbatim via Scryfall. Not AI-generated.
Check Birgi with another card
Birgi's already in the stack. Add the card you're wondering about.