Creatures you control with counters on them have haste
Heliod's Intervention Once upon a time this slot would've been occupied by former Commander mainstays like Return to Dust or Crush Contraband, but Heliod's Interventions ability to scale up and hit more targets (or gain life if necessary) is well worth losing the ability to exile said targets
There are plenty of worlds where either of these two could finish pretty high on the list, depending on what youre measuring most on that day
Iconic Cards: Counterspell, Ponder, Damnation, Jace, the Mind Sculptor Popular Decks: UW Control, Jeskai Control, Taking Turns, Esper Control 3 Midrange Midrange decks are popularly said to solve problems, not create them. In other words, these decks are sort of designed to be able to win against every archetype, although they wont bulldoze over anything (the way aggro often wrecks control, for example)
Menace is great