Hero card

Knockout Maneuver

Sorcery

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

Needs: Valiant

Gives: Counter +1/+1, Spells

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

Build a deck with Knockout Maneuver as the hero

Benefits from it

Primeval Bounty · Claim the Kingdom · Sazh's Chocobo · Bristly Bill, Spine Sower · Beorn's Hospitality · Mossborn Hydra · Strength of Will · Thranduil's Company

Use instead if you don't have it

Restorative Technique · Felling Blow · Cost of Brilliance · Combat Tutorial · Kapow! · Perilous Lunge

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)