Blazing Bomb

The interesting seam here is that a one-mana 1/1 is being asked to reward you for casting expensive noncreature spells, a payoff structure that usually lives on cards you sink real resources into rather than on a body you might sacrifice a turn later. The trigger cares about mana spent, not converted cost, so cost reduction cuts both ways: it makes the big spell cheaper to jam but risks slipping under the four-mana threshold that grows the counter. That threshold is the balancing wrinkle. It pushes the card toward a deck that genuinely wants to cast fours-and-up, letting the Elemental accumulate counters while it sits untapped, then convert its stored power into a single burst of removal once the growth has done its work. The Blow Up ability caps that conversion at sorcery speed and deals one-way damage to a target creature (the source takes nothing back), so this is a delayed bite: you spend early turns feeding it, and it cashes out as a scaling ping that never had to sit in your hand as a removal card. The friction is real, since a 1/1 that only bites when your spell curve cooperates is a fragile foundation, and a sacrifice-to-deal payoff means it leaves once it fires. But the ceiling is a self-sizing removal shot stapled to a cheap red creature you were already fine to run, growing on the back of spells you meant to cast anyway.