Aminatou, the Fateshifter 1
If your meta is running fetch lands and tutors, this is one of the best white card advantage cards you can run
Also, Mono red doesn't have ways to gain life back, so the damage taken is damage you'll have to live with.
As long as this card is in play, permanents with adventures are one less mana to cast
Then, screaming your Pokmon's attacks at the top of your lungs and optionally impersonating the Pokmon's cry as well, you launch a fierce assault on your opponent's Defending Pokmon, before it's their turn and they respond in kind
Creatures are also much easier to recur and reuse, which is obviously of great interest for any graveyard deck