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