Astral Communion

As an additional cost to cast Astral Communion, Discard your hand.
This spell cannot be countered by spells with converted mana cost 2 or less or by spells with
no mana spent to cast them. Search your
library for any number of lands that would
bring your land total to 10.
Shuffle your Library.
Exile half your library,
rounded up.
Draw a card.