Emberstrike Duo

Two triggers, two combat axes, one fragile body to hang them on. Black spells pump it, red spells sharpen it: cast something black and the creature grows, cast something red and it strikes first, and the design splits the color pair's combat instincts across two separate dimensions on purpose. Black, the color of attrition, pays in size; red, the color of aggression, pays in the keyword that lets a small attacker eat a much larger blocker. The catch is that neither trigger fires off a flooded hand. A 1/1 with nothing behind it is exactly a 1/1, so the payoff scales with how spell-dense your turn is rather than with the body itself. Stack two black spells and you swing for three; add a red spell on top and that three has first strike. The casting cost being payable with either black or red mana means a single-color deck can run it as a near-mono inclusion, but the creature only earns its keep when it sits squarely at the seam where both halves want to be fed in the same turn. It rewards a curve that dumps cheap spells fast and cares about every individual cast, which makes it function less as an attacker than as a live readout of how hard you are leaning on both colors at once.