Aquarius

Hexproof, Islandwalk, Prowess
Creatures you control have Hexproof, Islandwalk
and +0/+3.
Spells you control cost X less to cast, where X is
the total number of instant and sorceries in all graveyards.
Whenever you cast a non-creature spell, each
opponent exiles the top X cards of his or her
library where X is that spells converted manacost.
{u}{u}{t}: Counter or Exile target spell.