nightmare mtg card Magic The Gathering - Creature — Nightmare Horse Rarity MH3] Chthonian Nightmare (via WotC)

Jace, the Mind Sculptor [Best Planeswalker for Control Strategies] Jace, the Mind Sculptor gives you a Brainstorm every turn at zero loyalty cost

One-Mana Tutors Tutors that only cost 1 mana like Mystical Tutor, Enlightened Tutor, Vampiric Tutor, Imperial Seal, Worldly Tutor, and Gamble are super important in cEDH

A key release came in 2013 with the release of Modern Masters, the first set reprint set released for the Modern format and gave birth to the Masters reprint series, and in 2019 with Modern Horizons, which was the first to bring mechanically new cards that skipped Standard legality

Kaya, Spirits Justice Justice for all Murders at Karlov Manors planeswalker is Kaya, Spirits Justice, a four-mana white and black planeswalker with three loyalty

They have a much smaller window for coming into play tapped, letting you leverage them for more of the game