Kruin Striker

The reward keys off bodies arriving, not cards spent: every other creature that enters hands this one +1/+0 and trample for the rest of the turn, which means the engine runs on board-flooding speed rather than card quality. That trample rider is the part that matters. A growing 2/1 is unremarkable; a growing 2/1 that starts shoving damage past chump blockers converts a wide draw into a clock the defensive layer cannot absorb, which is exactly where go-wide aggression usually stalls. Because the trigger reads "enters" and not "cast," token generators and recursion feed it as well as cheap one-drops, and the buffs accumulate within a single turn when several creatures or tokens land before you swing. The 1-toughness frame is the cost of all this: any incidental ping, any first-strike blocker, removes the card before its accumulation pays off, so it wants to attack into open boards and resolve its bonuses before the opponent finds a window. This sits with the early-era line of cheap red aggressive enablers that ask you to dump your hand and turn raw creature count into damage faster than the trades can catch up, a payoff that wants volume around it and offers little when the board goes quiet.