It is a Lightning card illustrated by Tsuyoshi Nagano
The design process on a set of Magic cards starts in the Exploratory Stage where game designers, artists, and writers at Wizards of the Coast throw ideas at the wall for around a month and see what sticks
Sacrifices for these colors are great ways of starting triggers like Blood Artist and more instants/sorceries wil care about Guttersnipes, and each are cool ways to build your Grixis deck in Commander
Arcane Signet is a regular sight now, as well, because it is cheap and provides mana fixing in addition to extra mana
For a little bit of everything, I'd recommend checking out the Illumineer's Trove for $50, which comes with a card storage box, six card dividers, eight booster packs, six damage-counter dice, and a lore counter
Breaking Down the Budget Brew Every great Commander deck, regardless of price, is built on three pillars: mana, card draw, and interaction