Whenever you cast a spell, add R. 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.
Harnfel, Horn of Bounty 4R
Discard a card: Exile the top two cards from your library. You may play those cards this turn.
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.
Birgi, God of Storytelling (Showcase) (KHM-311) - Kaldheim: (Showcase)
. Until end of turn, you don't lose this mana as steps and phases end.
