Hero card

Chimil, the Inner Sun

Legendary Artifact

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

Needs: Big Mana

Gives: Artifacts, Discover / Craft, Legendary

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

Build a deck with Chimil, the Inner Sun as the hero

Makes it work

Arc Reactor · Fabrication Foundry · Buried Treasure · Sunbird Standard · Kaslem's Stonetree

Benefits from it

Radiant Lotus · Simulacrum Synthesizer · Demonic Junker · Voyager Quickwelder · Iron Spider, Stark Upgrade · Fizik, Etherium Mechanic · Mendicant Core, Guidelight · Emissary Escort

Use instead if you don't have it

Cosmic Cube · The Walls of Ba Sing Se · Planetarium of Wan Shi Tong · Aettir and Priwen · Paladin's Arms · Tundra Tank

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)