"Flame Emperor" Sabo

Whenever "Flame Emperor" Sabo attacks, you
may exile the top card of your library. If you
do, Sabo deals damage equal to the discarded
card's converted mana cost to target creature or planeswalker defending player controls.
{r}: "Flame Emperor" Sabo gets flying until end
of turn.
"My fingers are the Dragon's Claw! They are meant
to shred arrogant forces!"