Extra turns are mostly a blue mechanic, but it's surprising how it pops up in other colours as well
The Tinker Time March of the Machine Commander Deck set includes 1 ready-to-play Green-Blue-Red deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), 10 Planechase cards, 1 six-sided planar die, a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil special treatment card of rarity Rare or higher and 1 Traditional Foil special treatment Common or Uncommon card), 1 Foil-Etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card.
If I were to build a deck out of any of the cards in the set this would be it, no questions asked
8 Duskmourn: House Of Horror Commander Deck - Jump Scare
These are the types of questions you should be asking to determine which cards line up with the over-arching themes of a set