Barbarian Riftcutter

Land destruction stapled to a body is an old red bargain, and this one pays the price in full: a 3/3 that is really a Stone Rain wearing a creature costume, plus the you spend to cash it in. The sacrifice clause is the tell. You are not getting a recurring threat that happens to blow up lands; you are getting one land kill that can idle on the battlefield for a turn first, soaking up a block or a bolt before it does its real job. That delay is the whole transaction. A sorcery-speed Stone Rain commits its mana now for the effect now; this design splits the cost between casting and activation and hides the second half in a creature slot. Crucially, the ability does not tap, so the second half stays live at instant speed: hold open and a removal spell pointed at the 3/3 only prompts you to sacrifice it in response and take the land anyway. The body buys optionality (a clock if the opponent ignores it, a blocker or a trade if you draw nothing better) at the cost of telegraphing exactly what it intends to do. It belongs to an era when red still got to attack mana bases freely, and it sits in the awkward middle of that lineage: too expensive to be a clean disruption spell, too situational to be a creature you wanted on rate. The friction between the two halves is the design, not the sum of them.