Rakdos, the Muscle

Legendary Creature — Demon Mercenary{2}{B}{B}{R}6/5

Flying, trample Whenever you sacrifice another creature, exile cards equal to its mana value from the top of target player's library. Until your next end step, you may play those cards, and mana of any type can be spent to cast those spells. Sacrifice another creature: Rakdos gains indestructible until end of turn. Tap it. Activate only once each turn.

Colour identity Rakdos · Flying, Trample · Commander page

In short

Rakdos, the Muscle has 4 listed printings; the most valuable is the Prerelease printing from POTJ at US$5.73 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.