They're essentially tapped equivalents of the more notable Odyssey/Zendikar fetches, kind of like a reverse Evolving Wilds (tapped first, untapped later)
Robber of the Rich (Reach Red Creature) Coming in early and attacking the turn it enters, [c]Robber of the Rich[/c] is annoying for your opponent to deal with
When it comes to the three-color combos, Mardu, the identity of black, red, and white is often regarded for its speed and aggression, also having access to many of the best removal spells within the entirety of Magic
Gaea's Cradle is now available as a tournament-grade proxy from Gilded Goblet the go-to source for competitive Commander and cEDH players who want to play the best cards without the brutal price tag of the real thing
While neither a 2-mana sorcery-speed Opt or Nimbus of the Isles would be good on their own, getting both is quite a different story
As someone who adores Decree of Justice let me give you an aside from Shark Typhoon