Azula, Ruthless Firebender (TLE 184)

Legendary Creature — Human Noble • Mana cost: {2}{B} • Avatar: The Last Airbender Eternal • Mythic

Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.)
Whenever Azula attacks, you may discard a card. Then you get an experience counter for each player who discarded a card this turn.
{2}{B}: Until end of turn, Azula gets +1/+1 for each experience counter you have and gains menace.

Illustrated by Rose Benjamin.