Jaqen H'ghar

Deathtouch, First Strike, Prismatic
{x}{2}:Jagen H'ghar deals X damage to target creature. If that creature would die, Jagen H'ghar
exiles it instead.
Many-Faced God - {x}:Until end of turn Jagen
H'ghar becomes a copy of target creature exiled by
him.(is equal to half the exiled creatures mana cost.)
"A man sees. A man knows."-Jagen H'ghar