This Colorless Prison/Ramp deck floods the board with colorless mana sources from Urza's lands and Ancient Tomb, but runs only a single Island, so Carpet of Flowers has almost no targets here and is not worth bringing in. Rest in Peace disrupts Kozilek's Command's graveyard exile mode less but more importantly denies any incidental graveyard synergy while providing another disruptive enchantment they must answer with limited interaction. Solitude has few good creature targets in this matchup since they run almost no creatures. Prioritize countering Karn, the Great Creator and Ugin, Eye of the Storms, and use Force of Negation to stop The One Ring from resolving.