Hero card

The Crystal's Chosen

Sorcery

SpellUsed once: what it does depends on when you cast it

Needs: Tokens, Big Mana

Gives: Tokens, Counter +1/+1, Hero / Villain

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

Build a deck with The Crystal's Chosen as the hero

Makes it work

Antiquities on the Loose · Aerith Rescue Mission · Bother · Summon: Knights of Round · United Front · Black Panther, Vanguard · Friendly Neighborhood · Fuss

Benefits from it

Agent Phil Coulson · Kellan Joins Up · Syr Alin, the Lion's Claw · Family Reunion · Moonshaker Cavalry · On the Job · Rabbit Response · Make a Stand

Use instead if you don't have it

Bother · United Front · Antiquities on the Loose · Hexhaven Battalion · Wanderwine Farewell · Snarl Song

Cards in the meta that answer it

Countersculpt (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control) · We Say Thee Nay! (Dimir Aggro)