Songs can be played by paying their ink cost, or they can be played for free if you exert a character of a specific cost (or higher) to sing the card
The Reserved List solved an existential crisis back in 1996, but because it promised that the cards on the list would " never " be reprinted (and because Wizards has mostly kept this promise for 25 years), it has ended up causing problems in the decades since as we are stuck with a supply of Gaea's Cradles, Underground Seas, and Lion's Eye Diamonds befitting a game with hundreds of thousands of players for a game that now has 20 million
Haunting Voyage - This is some powerful recursion for black tribal decks
A good large creature armed with the Cloak will dominate the game
// Menace As Braska's Final Aeon's first or second chapter ability resolves, the next opponent in turn order (or, if it's an opponent's turn, that opponent) chooses a card in hand without revealing it, then each other opponent in turn order does the same