Dirgur Nemesis

Megamorph on a Defender is a quiet bit of design tension: the keyword rewards flipping a creature by stacking a +1/+1 counter on it, yet the body underneath is built to sit still and block. Cast for , the face-down side is an anonymous 2/2 with no abilities, free to attack like any other morph and giving nothing away about what it hides. Pay to unmask it and the 6/5 becomes a 7/6 that suddenly cannot swing at all, pinned to the back rank by Defender. The counter earns its place precisely because the static line is a wall: the base toughness already holds ground, and the megamorph upgrade pushes it to a size most attackers cannot profitably crash into. That is the bluff at the heart of grafting megamorph onto a defensive shell. An opponent looking at an unknown 2/2 has to decide whether it stays a cheap beater, comes in for two, or unfolds into a serpent that devours the next thing that runs at it, and the mana to answer the question is steep at both ends, so the information gap becomes the card's real weapon. This is a piece for slow, attrition-minded blue: less interested in the eventual face-up body than in the reps of making an opponent guess wrong about what the disguise conceals.