Galikus, Son of Uzaan

Deathtouch, Trample
Whenever Galikus, Son of Uzaan deals combat
damage to a player, you may look at the top of
that player's library and you may cast cards from
the top of that player's library this turn, you may
spend mana of any color to cast spells this way,
you lose life equal to the cards converted mana
cost when you cast spells this way.