Xhamohsz, the Arch-herald

Flying, haste, trample
When Xamohsz, the Arch-herald attacks, it gets
+X/+0 until end of turn, where X is equal to the
number of instant and sorcery cards you own in
exile and in your graveyard.
When Xamohsz, the Arch-herald deals combat
damage to a player, transform it.