Hero card

Trostani, Three Whispers

Legendary Creature – Dryad

EnablerGives something to the other cards: the deck needs cards that use what it gives

Gives: Attack Triggers, Legendary

Not in winning lists yet: read from the card text and the graph

Build a deck with Trostani, Three Whispers as the hero

Benefits from it

Doran, Besieged by Time · Squall, SeeD Mercenary · Vraska Joins Up · Kiora of Salt and Sand · Static Snare · Yuriko, Blade of the Mighty · Seifer Almasy · Marshal of the Lost

Use instead if you don't have it

Hazardroot Herbalist · Glarb, Calamity's Augur · Death Baron · Black Widow, Double Agent · Marshal of the Lost · Ori, Keeper of Songs

Cards in the meta that answer it

Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Jeskai Revelation (4-Color Control) · Inevitable Defeat (4-Color Control)