It may be a creature, but there are very few instances where a player should use Llanowar Elves, or any mana dork creature, to attack or block
Killing a 4-toughness creature for just one mana is a pretty sweet deal, and will leave you with plenty left for that Mana Leak

25 Spells Zuran Orb Mishra's Bauble Mox Opal Engineered Explosives Inquisition of Kozilek Thoughtsieze Cabal Therapy Gitaxian Probe Portent Codex Shredder Pyxis of Pandemonium Ghoulcaller's Bell Lantern of Insight Pithing Needle Relic of Progenitus Terrarion Sorcerous Spyglass Phyrexian Spellskite Wand of Denial* Collective Brutality Artificier's Intuition* Ensnaring Bridge Trinket Mage Whir of Invention* Zur's Weirding* 15 Lands Tolaria West Drownyard Temple Academy Ruins Inventor's Fair Spire of Industry Seat of the Synod Vault of Whispers Glimmervoid Urborg, Tomb of Yawgmoth Underground Sea Watery Grave Darkslick Shores Underground River Island Sunken Ruins Other Good Support Cards Chromatic Star Vampiric Tutor* etc Tinker Darksteel Citadel Tezzeret the Seeker Jace, the Mind Sculptor Orcish Spy Elemental Augury Pyrite Spellbomb Conjorer's Bauble Welding Jar Ancient Stirrings Abrupt Decay Witchbane Orb Glint Nest Crane Baleful Strix Thirst for Knowledge Thoughtcast* Predict Not entirely sure where to start

The card shows Nidoking surging with energy as the holographic foiling causes sparkles to surround its body
Card Set(s) -The Three Brothers' Bond- CARD VIEW ST13-014 | C | CHARACTER Monkey.D.Luffy (Parallel) Attribute Strike Block Icon 2 Effect [Activate: Main] You may trash this Character: Reveal 1 card from the top of your Life cards
Identifying Which Pokmon Cards are Worth Grading Preparing Your Pokmon Cards for Grading Choosing a Pokmon Card Grading Service PSA CGC Get Graded ACE Grading Submitting Your Pokmon Cards for Grading Understanding the 10-Point Pokmon Card Grading Scale Receiving and Selling Graded Cards Final Thoughts Related Articles Disclosure: As an Amazon Associate we earn from qualifying purchases