Ragavan, Nimble Pilferer

The premise is absurd: a one-mana 2/1 with no evasion, no protection, no way to guarantee it connects, and yet it commanded a price no other nonland card of its era could touch, entirely because of what happens when it does. The payoff for two points of combat damage is enormous: a Treasure token that ramps or fixes, plus a card off the opponent's deck you get to spend. That is a rate that would be broken on a five-drop, stapled to a body that dies to any red removal spell and blocks well below its weight. Speed against fragility is the whole gamble, and Dash is what makes it worth taking. For two mana you swing the Monkey Pirate immediately, snatch its value, then bounce it back to hand at end of turn rather than leaving it exposed on the board. You are not committing a permanent to the board; you are renting a raid and pocketing the loot. That loop (deploy, connect, retreat, redeploy) rewards protecting the attack step rather than the creature, a fundamentally different deckbuilding axis than most one-drop threats ask for. The card also sidesteps the usual problem with card advantage stapled to aggression: it does not care what it steals, only that it steals something, so the value scales with how long you can keep landing the hit rather than with any particular target.