Seismic Mage

Stone Rain you can fire more than once, attached to a body that has to keep buying back the privilege. Each activation costs , a tap, and a card pitched from hand to destroy a single land, which means the land you blow up is purchased with a card you no longer hold. That trade is the brake. A one-shot land-destruction spell swaps one card for one land and walks away; this one bleeds a card per land indefinitely, so the engine never stops draining you even as it grinds an opponent's mana to nothing. The genuine flexibility lives in the timing: the ability is instant-speed, so you can hold the activation, wait for a land to tap out, or fire on the end step of someone else's turn instead of committing during your own main phase. What the design buys with all that friction is repeatability without burst. This family of discard-fueled creatures let early-era designers print recurring effects at a body-plus-rate, sidestepping the single big swing of a one-shot, and the discard clause is the pressure valve: a fragile 1/1 that spends so much per land rarely outpaces what it removes. That is precisely why grinding land destruction built this way stayed honest in an era when cheap one-shot land removal once dominated. The card converts a fat hand into a slow stranglehold, and asks you to keep feeding it.