Guile

Guile can’t be blocked except by three or more creatures.
If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost.
When Guile is put into a graveyard from anywhere, shuffle it into its owner’s library.

Card Details:
Set: Duel Decks Anthology: Jace vs. Chandra
Collector Number: 14
Artist: Zoltan Boros & Gabor Szikszai