Amoeboid Changeling

Creature-type manipulation is usually a static side effect, baked into a body or a tribal lord. Here it is the whole function: a repeatable tap that grants or strips every creature type from a target, weaponizing the type line itself as a resource. The two abilities point in opposite directions, and the most reliable plays use each accordingly. Tap to strip a creature of all types and it stops qualifying for everything that asks what it is: an opponent's lord bonuses evaporate, tribal evasion shuts off, and a creature targeted by "destroy target Elf" stops being an Elf entirely. Tap the other way, granting all types, to retrofit a creature into a tribal payoff that demands a type your board does not naturally have, or to feed a type-matters trigger of your own. That it carries changeling, and so already is every creature type, is almost incidental to the activated abilities; the 1/1 body matters far less than the wrench it throws into any plan built around what creatures are called. The design sits at a strange seam between combo enabler and disruption piece, a singleton toolbox effect rather than a redundant cog. It belongs to the small family of cards that treat the creature type as a mutable game object rather than fixed text, and it remains one of the most flexible expressions of that idea: most type-changers lock in a single type, while this hands you the full slider in either direction, once per turn, on a two-mana frame.