Hero card

Squall, SeeD Mercenary

Legendary Creature – Human Knight Mercenary

PayoffThe more of what it needs is on the battlefield, the stronger it gets: the deck has to feed it a lot

Needs: Sneak, Graveyard, Attack Triggers

Gives: Outlaw / Crime, Attack Triggers, Legendary

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

Build a deck with Squall, SeeD Mercenary as the hero

Makes it work

Kaito, Bane of Nightmares · Duelist of the Mind · Marauding Sphinx · Shark Shredder, Killer Clone · Leonardo, Sewer Samurai · Hellspur Posse Boss · Karai, Future of the Foot · Oroku Saki, Shredder Rising

Use instead if you don't have it

Grim Reaper, Lethal Legionnaire · Savior of the Small · Summoned Dromedary · Wayspeaker Bodyguard · Fell Horseman · Karai, Future of the Foot

Cards in the meta that answer it

Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Jeskai Revelation (4-Color Control) · Inevitable Defeat (4-Color Control)