Hero card

Calamity, Galloping Inferno

Legendary Creature – Horse Mount

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

Needs: Mount / Saddle, Big Mana

Gives: Mount / Saddle, Attack Triggers, Legendary

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

Build a deck with Calamity, Galloping Inferno as the hero

Makes it work

Dracosaur Auxiliary · Gilded Ghoda · Kolodin, Triumph Caster · Quilled Charger · Autarch Mammoth · Gila Courser · Alacrian Jaguar · Guardian Sunmare

Use instead if you don't have it

Razorkin Hordecaller · Palani's Hatcher · Old Hob, Alleycat Blues · Hill Gigas · Rearing Embermare · Sandworm

Cards in the meta that answer it

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