Mystic Elf King

Spells opponents cast cost an additional: {1}
while Mystic Elf King is in play.
As long as Mystic Elf King is in play, all elves
you control have hexproof and {t}: target opponent
puts the top card of his or her library into their
graveyard.
"Ye elves of hills, brooks, standing lakes and groves,
And ye that on the sands with printless foot
Do chase the ebbing Neptune and do fly him"
—William Shakespeare