Elvish Herder

The repeatable trample-granting body fills a narrow but real role: it turns excess mana into evasion, and it does so without a sacrifice cost or a one-shot limit, so the same green source can push damage through every turn. That repetition is the whole point. A trick like Wildsize hands you trample once and walks away; this Elf stays on the table, and as long as you can pay the activation, any blocker that survives combat becomes a tax rather than a wall. The body itself is incidental, a one-power chump that mostly exists to host the ability and to count as a creature for tribal purposes. Where this design earns its slot is in converting the green ramp deck's late-game mana glut into a way past gang-blocks, repeatedly, on whatever fatty happens to be swinging. Green has reprinted this shape in many guises since: a creature whose stats are beside the point because the activated ability is where the value lives, and whose payoff scales with how much mana sits idle once the curve has emptied out.