(: Add or to your mana pool.)
When Krosan Academy enters the battlefield, return a land you control to its owner's hand.
, : Put a 2/2 green Leech creature token onto the battlefield.
, : Counter target spell unless its controller pays .
: Add 
or 
to your mana pool.)
, : Put a 2/2 green Leech creature token onto the battlefield.
, : Counter target spell unless its controller pays .
