Hero card

Combat Tutorial

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 Combat Tutorial as the hero

Makes it work

Seedglaive Mentor

Benefits from it

Graduation Day · Thranduil's Company · Primeval Bounty · Silent Hallcreeper · Tempest Angler · Ultros, Obnoxious Octopus · Sahagin · Sazh's Chocobo

Use instead if you don't have it

Cost of Brilliance · Felling Blow · Knockout Maneuver · Restorative Technique · Perilous Lunge · Kapow!

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)