Lonis, Cryptozoologist

Adventure

Sacrifice

Red Deck Wins

Knights

Ramp

Food

Flyers

Mutate

Elementals

Flash

Dinosaurs

Zareth San, the Trickster

Serra the Benevolent

Lukka

Yorion

Control

Cycling

Superfriends

Lurrus

Combo

Keruga

Clover

Umori

Gyruda

Midrange

Aggro

Embercleave

Cavalcade

Obosh

Doom

Humans

General Kudro

Hero

Winota

Captive Audience

Stompy

Syr Faren

Counters

Oven

Kroxa

Menace

Feather

Bolas

Devotion

Weenies

Auras

Guildpact

Tempo

Mill

Ultimatums

Enchantments

Gates

Revival

Phoenix

Ominous

Ulamog

Goblins

Life

Lifelink

Tempered Steel

Artifacts

Angels

Burn

Reanimator

Solar Flare

Death & Taxes

Golos

Field

Nexus

Scapeshift

Finale

Chromatic

Zombies

Merfolk

Turbo

Deathwhirler

Chainwhirler

Death-Dweller

High Alert

Vampires

Gitrog

Emergent Ultimatum

Explorers

Elves

Dredge

Wizards

Storm Herald

Torgaar

Rites

Obliterator

Treasure Hunt

Storm

Bombardment

Maze's

Dreadhorde

Mirari

Lich's Mastery

Honden

The mage looked within and realized there was still one piece of fuel to burn.

Heartfire

As an additional cost to cast this spell, sacrifice a creature or planeswalker.
Heartfire deals 4 damage to any target.