(: Add or to your mana pool.)
Isle Cavern enters the battlefield tapped unless you pay 1 life.
, : Target land becomes a 2/2 blue Cephalid creature until end of turn. It's still a land.
, , Sacrifice Isle Cavern: Target player discards a card.
: Add 
or 
to your mana pool.)
, : Target land becomes a 2/2 blue Cephalid creature until end of turn. It's still a land., , Sacrifice Isle Cavern: Target player discards a card.
