Time Reversal lets you do the same thing for 2 extra mana, but you can play it again by retrieving from exile back to your hand with cards like Riftsweeper and Pull from Eternity
Barbed Bloodletter Cinderbones Corrosive Mentor Massacre Girl, Known Killer Massacre Girl, Prime Killer Midnight Banshee Necroskitter Needle Specter Oddric, Lunar Marquis (playtest) Sickle Ripper Smoldering Butcher Wither and Bloom
If you choose to pay two ink, she can deal damage to opposing characters after a song has been used
Mainly this is because now theres only 100 of each card, which is going to put a real strain on the whales of collecting, the type who have to have a full set of one of each serialized card
Why is chaining extra-turn spells called out specifically
For many, choosing 2 to play wont be that difficult, and with each game lasting between 1-2 hours, 2 decks may be all you need to have a fun time