It was bad even in 2016, so imagine how bad would it be now
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield
With excellent color fixing and fierce competition for key deck components, branching out across all three colors with a shared synergy becomes more of a necessity to ensure your needs are covered and your deck can pack the requisite punch
What About a Face-Down or Impending Creature
Speed Duel is a format with altered rules to help new players learn the game, though I contend that its kind of harder to get into the game when you have to relearn a bunch of rules just to play the other formats
If you can protect this, it shifts the game directly in your favor