Unlucky Witness

Red's tension with card advantage is old: the color burns bright and runs out of gas, and every attempt to fix that has come loaded with a catch. This is one of the cleaner answers to the problem, because the payoff is tied to the one thing a 1/1 for one red mana is going to do anyway, which is die. The refill is not free advantage in the blue sense; it is impulse draw off a death trigger, exiling two and letting you play one before your next end step, so the value is conditional on the body already being spent in combat, chumping, or feeding a sacrifice outlet. That conditional framing keeps the card honest. A 1/1 that drew a card outright would price differently; forcing you to trade the creature away first holds the rate in check and pushes it into decks that were going to throw the body under a bus regardless. It rewards a plan that treats small creatures as fuel rather than as board presence, which is exactly the axis aggressive red and sacrifice-adjacent builds live on. The impulse window matters too: the card you exile is not yours to sit on, so the trigger asks you to have mana up and a use ready when the witness meets its end, not to bank the value for later.