Core Set 2021

Creature — Elemental

This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn.
Trample
Whenever a source you control deals noncombat damage to an opponent, this creature deals that much damage to target creature or planeswalker that player controls.

Chandra's Incinerator

If you build this as an infect commander, you're a coward and your name shall be forgotten.
There's basically no ramp in this deck because of the low cmc of most of the deck. 
The strongest version of this deck would involve a lot of infect, however, no one wants to play against that and I don't want to pilot that. This at least makes things interesting. It's on a budget and meant for more casual play anyways.

Pinging and Stinging

This is the actual decklist that I own.
Draft the Commanders first from a special pool (in the sideboard) with 4 packs of 10 or 12.
Each commander has partner. If you want to use one of the companions, you can do that as well if you abide by the companion rules and color identity rules. For Umori specifically, you may still have creatures as your commanders as long as the rest of the deck follows its companion rules.
I suggest choosing your commanders (and sometimes a companion) before you've drafted from the main pool. 
Each player automatically gets a command tower and an arcane signet.
Before drafting, players can decide if they want to draft 60 card commander decks or full-sized 100 card decks.
Draft 4 packs of 14 for 60 card decks and 6 or 7 packs of 14 for 100 card decks.
Color Identity does not matter when it comes to lands.
Draft Archetypes:
Reanimator
Cast spell, get value
Freecasting
Theft
Copying spells
Value for targeting your own creatures

Chandra's Incinerator

Rules Text

Card Facts

Legality

Rulings

Every version

Decks using this card