Frightcrawler

Most threshold creatures of this era just got bigger when the graveyard filled. This one gets bigger and loses the ability to block in the same breath, and that second clause is the whole point of the design. Out of the gate it's a 1/1 with Fear: a slow, evasive pest that pecks for a point against any deck short on black or artifact blockers. Hit threshold and it grows to a 3/3, but the same condition that pumps it also forbids it from holding the line. A creature that might otherwise hang back is converted into one that can only press forward, which is exactly the direction the deck it belongs to already wants to go: stock the graveyard, swing, leave defense to someone else. Built correctly, the no-blocking clause almost never costs you anything, because you were never planning to block with it anyway. Fear handles the actual combat math; threshold just sharpens the angle, turning an evasive two-drop into a real clock once the digging pays off. The body is modest by any measure, asking for setup before it earns its mana. But as a compact illustration of how threshold was meant to feel (cheap, evasive, and rewarded for going deep) it states its case cleanly and doesn't pretend to be more than it is.