Vexis, Titan of the Arcane

When Vexis enters the battlefield, sacrifice it
unless it escaped.
When Vexis enters the battlefield or attacks, exile
the top card of each player's library. You may cast
any number of instant and/or sorcery cards exiled
this way without paying their mana cost.
Escape—{u}{u}{b}{b}{r}{r}, Exile five other cards
from your graveyard. (You may cast this card
from your graveyard for it's escape cost.)