Hero card

Piercing Exhale

Instant

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

Needs: Valiant, Dragon

Gives: Graveyard, Mobilize / Flurry / Renew, Spells

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

Build a deck with Piercing Exhale as the hero

Makes it work

Kheru Goldkeeper · Dragonfly Swarm · Ran and Shaw · Witherbloom, the Balancer · Quandrix, the Proof · Disruptive Stormbrood · Whirlwing Stormbrood · Pet Avengers

Benefits from it

Lys Alana Dignitary · Lasyd Prowler · Avenger of the Fallen · Wayspeaker Bodyguard · Beastie Beatdown · Canonized in Blood · The Swarmweaver · Punishing Punch

Use instead if you don't have it

Midnight Tilling · Titanic Growth · Burrog Barrage · Bite Down · Lumaret's Favor · Close Encounter

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)