The last activated ability affects all attacking creatures, not just those you control
For instance, Arid Mesa can be sacrificed to search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle. While this can be used for basic lands of the stated types, it can also be used to fetch nonbasic lands with the given types
X Speed is the next best thing since Switch or Escape Rope
However, since the COVID lockdowns, speculators and scalpers have been snatching up any products they can find
While the latter is a popular archetype, Rabbits are niche at best and are unlikely to drive consistent demand.
(Any other effects of attacks still happen.) CC - Quick Attack (10+) Effect: Flip a coin