Spinehorn Minotaur

A 2/3 for three mana is priced honestly as a blocker, but double strike changes the arithmetic entirely: the moment your second draw of the turn resolves, this Minotaur starts trading up in combat and threatening four damage a swing. The design leans on a static ability with a condition attached rather than a trigger, which matters more than it sounds. Nothing fires, nothing goes on the stack; the creature simply checks, at the moment of combat, whether you have crossed the two-card threshold this turn, and gains or loses double strike accordingly. That currency (a second draw in a single turn) is one red does not naturally mint. Red's card advantage runs through impulse draws, rummaging, and burst-draw effects rather than the steady replacement blue and black lean on, so hitting the condition is a deckbuilding commitment rather than a passive perk. What is clever is that the payoff is combat-shaped instead of engine-shaped: most "you drew a card this turn" rewards feed back into the machine (loot again, deal a point, add a counter), while this one just converts a modest body into a real clock. That keeps the card in-color even as it borrows a mechanic red usually rents from blue. Build a spells-matter or wheel-adjacent shell where the second draw is routine and the double strike stays switched on; treat your cards one at a time and it reverts to a fair-rate speed bump.