First printed in Ravnica: City of Guilds (2005)
Leashling 
Artifact Creature — Dog
Put a card from your hand on top of your library: Return this creature to its owner's hand.
MTGO price: 0.003 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
Combos
11 combos from Commander Spellbook, the most popular first.
- Infinite draw triggers, Infinite creature ETB…: Leashling + Mycosynth Golem + Vedalken Archmage
- Infinite draw triggers, Infinite creature ETB…: Leashling + Mycosynth Golem + Vanquisher's Banner
- Infinite draw triggers, Infinite creature ETB…: Beast Whisperer + Leashling + Mycosynth Golem
- Infinite draw triggers, Infinite creature ETB…: Leashling + Mycosynth Golem + The Great Henge
- Infinite draw triggers, Infinite creature ETB…: Guardian Project + Leashling + Mycosynth Golem
- Infinite draw triggers, Infinite creature ETB…: Elemental Bond + Leashling + Mycosynth Golem
- Infinite draw triggers, Infinite creature ETB…: Kindred Discovery + Leashling + Mycosynth Golem
- Win the game: Approach of the Second Sun + God-Eternal Kefnet + Leashling + Sunbird's Invocation
- Cast any number of spells from opponents' libraries, Exile each opponent's library…: Cloudstone Curio + Dual Nature + Etali, Primal Conqueror // Etali, Primal Sickness + Leashling
- Infinite draw triggers, Infinite creature ETB…: Garruk's Packleader + Leashling + Mycosynth Golem
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Legal
- Legacy Legal
- Vintage Legal
- Pauper Not legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Not legal
- PreDH Legal
- Tiny Leaders Not legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal