Coin flip cards can be a ton of fun and are beloved by many, but they are certainly not everyones favorite since they are among the most overt and artificial feeling forms of variance in the game
Instead of paying the Ink cost, players can choose to exert a character to sing the Song for free
Although this might not be able to knock out all ex cards in a single hit, the damage is still significant enough to keep any opposing player on their toes
There's a few decks I'd definitely brew up under new hybrid rules, Kulrath Knight being one of them
Arna's attack trigger essentially enables attacking Living Weapon creatures to split off and make their controller's board wider, or go-tall with stackable effects like Drossclaw's draining attack trigger or Nettlecyst's massive boost based on artifacts and enchantments
So when you've played enough of the single player that you're ready to play against real opponents, you can jump into some PvP