Snydus, Carrion Caller

Deathtouch, Myriad
Your graveyard and cards in it are Hexproof.
Whenever a player casts an Instant or Sorcery spell, choose one:
•Add {u}{u}, {b}{b} or {r}{r}
•Copy Target Instant or Sorcery from your Graveyard.
You may cast the copy. If you do, shuffle it into your library.
•Create a 2/2 Black Zombie Creature Token
Whenever Snydus, Carrion Caller Deals combat damage to
a player, that player chooses to either mill two cards, discard a card or sacrifice a creature.