{4}{U}: Seafloor Stalker gets +1/+0 until end of turn and can't be blocked this turn. This ability costs {1} less to activate for each creature in your party.
"Your recent work is an inspiration. I have the utmost respect for your approach, and your craft is impeccable. At your convenience, I would be honored to collaborate on a project." —Ludevic, letter to Geralf
Ward {3} When Seal from Existence enters the battlefield, exile target nonland permanent an opponent controls until Seal from Existence leaves the battlefield.
Sacrifice Seal of Doom: Destroy target nonblack creature. It can't be regenerated.
"A basilisk's gaze is effective, but disposing of physical remains is a tiresome task. It's far more discrete to dissolve one's victim entirely." —Szadek
Sealock Monster can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.
Look at the top five cards of your library. You may put any number of them into your hand and the rest into your graveyard. You lose 3 life for each card you put into your hand this way.
Search your library for a snow permanent card, a legendary card, or a Saga card, reveal it, put it into your hand, then shuffle. You gain 1 life for each {S} spent to cast this spell.