While Carmen is undeniably powerful, she'd benefit more from a deck that's primarily focused on causing players to sacrifice cards and not necessarily a Vampire-themed token deck
Illustrated by: Tyler Walpole The Ur-Dragon Commander decks The Ur-Dragon Historic Brawl decks Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Not Legal Traditional Historic Not Legal Traditional Timeless Rulings 2017-08-25 You draw one card for each Dragon you controlled that attacked, even if some of them left the battlefield before The Ur-Dragons triggered ability resolves
To put Bolshack Dragon's last ability another way, as long as it's attacking, it gets +1/+0 for each red card in your graveyard
It is also possible that other cards in the clash pack could be breakouts, however it is better to target those on a singles basis rather than through purchasing the package
Roll a d20.1-9 | Create two 1/1 white Soldier creature tokens.10-19 | Create two 2/2 white Knight creature tokens.20 | Create three 2/2 white Knight creature tokens
In fact, your ability to fine-tune is about half as good