Blood Ogre

Bloodthirst always carried a sequencing problem: the counter rewards you for already being ahead on damage, which is exactly the position from which you least need the help. This Ogre answers that with first strike stacked on top, turning the mechanic into a self-reinforcing loop on offense. Connect once, and the next bloodthirsty creature you cast arrives a size larger; meanwhile this body, when it does come down enlarged, is a 3/3 that wins combat against most things its size without taking a scratch. The pairing is the whole design. First strike makes the conditional attack safer, the conditional attack feeds bloodthirst, and a 2/2 base that grows to 3/3 sits right at the rate where first strike starts to swing midgame combat math. The tension the card resolves is timing: cast it before you have landed any damage and you get a plain 2/2 first striker, but in a deck built to draw early blood, it reads as a 3/3 with first strike that helped pay for itself. That conditionality is the cost of the upside, and it is why an aggressive creature like this lives or dies on the curve around it rather than on its own stat line.