Hero card

Quandrix, the Proof

Legendary Creature - Elder Dragon

FinisherA big threat that ends the game: the deck has to survive until it can cast it

Needs: Spells, Big Mana

Gives: Flyers, Legendary

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

Build a deck with Quandrix, the Proof as the hero

Makes it work

Piercing Exhale · Desolation of Smaug · Dragon's Prey · Sarkhan, Dragon Ascendant · Dispelling Exhale · Caustic Exhale · Molten Exhale · Dragonbroods' Relic

Benefits from it

Runescale Stormbrood · Whirlwing Stormbrood · Teo, Spirited Glider · The Lord of the Eagles · Dracogenesis · Firespitter Whelp · Stormscale Scion · Bloomvine Regent

Use instead if you don't have it

Niv-Mizzet, Visionary · Uldaros Theorix · Rocksteady, Crash Courser · Rishei, Getaway Accomplice · Vulture, Scheming Scavenger · Council of Echoes

Cards in the meta that answer it

Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Inevitable Defeat (4-Color Control) · Bitter Triumph (Dimir Aggro)