Princess Elspeth
But first let me take a #Elfie

Arcane: Blade
Base Rarity: Epic
Troop Type: Elf, Mystic
Troop Role: Warmaster
Troop Id: Quest_K26 / 6326
Max skills: 17    36    8    14
Kingdom: Silverglade
Kingdom Id: 3009
Trait #1: Greedy
Gain 2 bonus Gold on 4 or 5 Gem matches.
Trait #2: High Ancestry
Immune to Mana Drain, Silence, Faerie Fire, and Death Mark.
Trait #3: Empowered
Start battles with full Mana.
Spell: Royal Demand
Description: Create 11 Gems of a chosen Ally's Mana Color and kill them. Summon a Knight troop.
Mana Color: Blue, Yellow
Mana Cost: 12
Spell Id: 7476