Our counters and card draw are the same way, either proliferating to give our opponent more poison counters, like Reject Imperfection and Experimental Augury, or becoming super-charged once our opponent is corrupted, like Bring the Ending (which turns into an upgraded Counterspell) and Distorted Curiosity (which becomes a one-mana draw-two)
Otherwise, it's likely just getting removed with something like Madame Medusa - The Boss and setting you too far back in tempo
Mirror Room costs , while Fractured Realm costs
The Hail Caesar Commander Deck includes 1 ready-to-play Red-White-Black deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a Collector Booster Sample Pack (contains 2 Traditional Foil or nonfoil special treatment cards, with 1 Extended-Art card of rarity Rare or higher and 1 alt-art, alt-frame card of rarity Uncommon or higher), 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