Hero card

Beastie Beatdown

Sorcery

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

Needs: Graveyard, Valiant

Gives: Counter +1/+1, Spells

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

Build a deck with Beastie Beatdown as the hero

Makes it work

Whiskerquill Scribe · Tempest Hart · The Last Ronin · Seedglaive Mentor · Piercing Exhale · Traveling Botanist · Trickster's Stratagem · Unstable Experiment

Benefits from it

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

Use instead if you don't have it

Throw from the Saddle · Growth Curve · Tam's Resistance · Malamet Battle Glyph · Longstalk Brawl · Synchronized Charge

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)