Glacial Depths enters the battlefield tapped unless you reveal a Merfolk card from your hand.
: Add to your mana pool. Return Glacial Depths to its owner's hand.
, : Exile target artifact, then return it to the battlefield under its owner's control.
: Add 
to your mana pool. Return Glacial Depths to its owner's hand.
, : Exile target artifact, then return it to the battlefield under its owner's control.
