Railway Brawler [Outlaws of Thunder Junction Prerelease Promos]

Reach, trample

Whenever another creature enters the battlefield under your control, put X +1/+1 counters on it, where X is its power.

Plot 3G (You may pay 3G and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)