Simon aka "Tidalwave"

More Than Meets the Eye {g/u}{r/g}{u/r}
Trample
At the beginning of your end step, you may look
at the top card of your library. If it is a creature
with mana value 6 or greater, you may put it onto
the battlefield tapped and convert Simon aka
"Tidalwave". Otherwise, you discard a card. If
you did not discard a card this way, you lose 5 life.