The Gunky Runner (Unknown Event #RB04)

The Gunky Runner {5}{B}

Legendary Creature — Slug Gamer

Ew-minance — When The Gunky Runner enters and at the beginning of the first upkeep in a game where it’s your commander, shuffle three Gunk cards into each opponents library. (Gunk is a colorless sorcery card with no mana cost and cycling {4}.)

Whenever an opponent loses life, they shuffle that many Gunk cards into their library.

Ready to run (You can have two commanders if both have ready to run.)

5/5
Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny