Graveyard-exiling effects as creature ETBs are always valuable, since that's one of the easiest ways to loop an ability and trigger it again
almost everything you need to know is found on the cards themselves, and its core rules are surprisingly straightforward
Seven mana is a lot, no doubt, but what you're getting is Panharmonicon on steroids
Definitely one of the better designs in the box-topper set
When you do, cast it for its madness cost or put it into your graveyard.) Creature - Vampire Noble Creature Buff (CTRL to add secondary) Land Land (CTRL to add secondary) Life Gain / Drain Carmen, Cruel Skymarcher Flying Whenever a player sacrifices a permanent, put a +1/+1 counter on Carmen and you gain 1 life
Often, the simplest thing you can do to shut down value from escape creatures is just avoiding trades in combat