Imperium Invasion

As an additional cost to this spell, you lose 15 life.
This spell cannot be countered.
Search your library for any amount of Imperium
cards and put them in your hand.
Return all Imperium cards from your graveyard
and from exile to your hand.
You may cast Imperium cards for {0}
for this turn.
You have unlimited hand size for the rest
of the game.