Artisia

Whenever you cast a red spell, put a +1/+1
counter on Artisia and add {r}.
If a spell you control would deal damage, you
may prevent that damage. If you do, exile cards
from the top of your library for each 1 damage prevented this way. You may play those cards this
turn.
"All I want is to burn free. Is that too much to ask?"
-Rexan, Beloved