Austin, Chaos Unbound

Transforms From Austin, Servitor of Order if
your life total is 20 more than its starting total
When you cast a spell after your first each turn,
deal damage equal to its mana cost to each
opponent
When you draw a card, deal damage equal to the
number of cards you've drawn this turn to each opponent
When you attack with more than one creature
deal damage equal the number of creatures you
are attacking with to each opponent