(: Add or to your mana pool.)
Hollow Chamber enters the battlefield tapped.
, , Sacrifice Hollow Chamber: Target player discards a card.
, : Put a 1/1 blue Wizard creature token with flying onto the battlefield.
: Add 
or 
to your mana pool.)
, , Sacrifice Hollow Chamber: Target player discards a card.
, : Put a 1/1 blue Wizard creature token with flying onto the battlefield.
