Yuliana, Scarlet Queen

Deathtouch, lifelink
Whenever a creature an opponent controls dies,
put a Blood counter on Yuliana, Scarlet Queen.
If Yuliana, Scarlet Queen has 10 or more Blood counters on it, it gains +5/+5, flying, and indestructible, and is an Angel in addition to its
other types.
"This is not a tea party, mortal."