The Fall of Kroog

Land destruction that refuses to be a tempo card. Strip Mine and its descendants trade one card for one land and stop there; this piles a Stone Rain onto burn onto a miniature Pyroclasm and asks you to spend six mana for the privilege. That is the tension the design is built around. At six mana in a color that historically wants to be closing the game, a pure Sinkhole effect is dead weight, so the card only earns its slot by doing three jobs at once: it sets an opponent back a land, it clocks their life total for three, and it sweeps the smallest end of their board with a single point of damage to every creature they control. None of those effects is individually worth the cost; stapled together against a single chosen opponent, they turn a clunky rate into a genuine haymaker. The design lesson here is old and specific: land destruction in red is only palatable when it is buried inside a spell that would be worth casting even if the land clause were blank text. Read the three-damage-plus-sweep half on its own and you have a reasonable if overpriced burn spell; the land destruction is the rider, not the reason. That inversion of the usual land-destruction pitch (where the ruined land is the whole point and everything else is gravy) is what makes it read less like disruption and more like a top-end punch that happens to punish greedy manabases.