Xenophilius, Snake Mage

{2}{t} create 5 2/2 blue snake tokens with
deathtouch.
{5}{u/b}{u/b}{t} put the top 10 cards of any
graveyard. onto
the battlefield.under your controlwhen
Xenophilius,Snake Mage, enters the
battlefield, all opponents loose half of
their life. if their life is an odd
number, they take 15 instead.