Mardu Energy Signature Cards
18 cards that define this Modern archetype

Ajani, Nacatl Pariah // Ajani, Nacatl Avenger

Arid Mesa

Bloodstained Mire

Galvanic Discharge

Guide of Souls

Ocelot Pride

Phlage, Titan of Fire's Fury

Seasoned Pyromancer

Flooded Strand

Goblin Bombardment

Marsh Flats

Ragavan, Nimble Pilferer

Sacred Foundry

Arena of Glory

Elegant Parlor

Plains

Static Prison

Thraben Charm