Hero card

Mardu Siegebreaker

Creature – Human Warrior

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

Needs: Valiant

Gives: ETB, Attack Triggers

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

Build a deck with Mardu Siegebreaker as the hero

Makes it work

Veteran Guardmouse · Whiskervale Forerunner · Nettle Guard · Mouse Trapper · Seedglaive Mentor · Emberheart Challenger · Whiskerquill Scribe · Flowerfoot Swordmaster

Benefits from it

Go Ninja Go

Use instead if you don't have it

Stormsplitter · Hellspur Posse Boss · Lavaleaper · Rampart Hunter · Marshal of the Lost · Harried Dronesmith

Cards in the meta that answer it

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