Magic: The Gathering has some of the best artwork ever.

Gift of Immortality

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=373566

Trostani, Selesnya's Voice

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=253641

Elgaud Shieldmate

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=elgaud+shieldmate

Angel of Serenity

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=253627

Dryad Arbor

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=282542

Lightmine Field

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=lightmine+field

Stormbreath Dragon

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=373679

Counterflux

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=253524

Fleecemane Lion

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=fleecemane+lion

Wild Defiance

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=wild+defiance

Abhorrent Overlord

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=373661

Disciple of Bolas

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=disciple+of+bolas

Hidden Strings

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=369021

Gift of Orzhova

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=366339

Chosen of Markov (Front)

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=chosen+of+markov

Venser, the Sojourner

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=212240

Grave Betrayal

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=270960

Orzhov Guildgate (Dragon's Maze)

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=366374

Tezzeret, Agent of Bolas

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=tezzeret%2C+agent+of+bolas

Judge's Familiar (Promo!)

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=judge%27s+familiar

Selesnya Charm

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=253651

Kiora, the Crashing Wave

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Kiora,%20the%20Crashing%20Wave

Angelic Destiny

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Angelic%20Destiny

Restoration Angel (Promo!)

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=restoration+angel

Odric, Master Tactician

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Odric%2C+master+tactician

Fyndhorn Elves

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=fyndhorn+elves

Island (Return to Ravnica)

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=289314

Melek, Izzet Paragon

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=369062

Deathrite Shaman

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=deathrite+shaman

Voyage's End

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=voyage%27s+end

Thalia, Guardian of Thraben

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=270445

Time Walk (Alternate Art by Chris Rahn)

http://gatherer.wizards.com/Pages/Card/Details.aspx?name=time%20walk

Wight of Precinct Six

http://gatherer.wizards.com/pages/Card/Details.aspx?multiverseid=366239

Flusterstorm

http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=382942