(: Add or to your mana pool.)
When Hollow Atoll enters the battlefield, sacrifice it unless you pay .
, , Sacrifice Hollow Atoll: Target player discards a card.
, : Put a 1/1 blue Merfolk creature token with flying onto the battlefield.
: Add 
or 
to your mana pool.).
, , Sacrifice Hollow Atoll: Target player discards a card.
, : Put a 1/1 blue Merfolk creature token with flying onto the battlefield.
