Basically, Suppression Ray / Orderly Plaza is a card that will probably win you the game nearly every time you cast it
9 Supreme Verdict Is Cost-Efficient & Easily Resolves Countermagic isn't as commonly used in the Commander format as it is in the competitive Legacy format, but some blue Commander decks may still run cards like Swan Song or Negate to hit big, costly spells they don't like, such as combo pieces or board wipes
Balduvian horde was a two colorless and two Red Mana costing 5/5, with a slight casting drawback, when Balduvian Horde comes into play, discard a card at random from your hand or bury Balduvian Horde. This may seem like a steep price, but its relatively cheap when compared with the only other 5/5 with a converted Mana cost of four Mana
Drawing a creature in exchange for drawing a land is a pretty good deal, not to mention youll be generating at least two mana this way, helping you cast that creature
I'd expect something like allot of flickering with terror of the peaks and Warstorm Surge, or playing spells like Hunted Bonebrute in combination with Elesh Norn, Grand Cenobite type of effects