Deadeye Tracker
{B}
Creature -- Human Pirate
1/1
{1}{B}, {T}: Exile two target cards from an opponent's graveyard. ~this~ explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on ~this~, then put the card back or put it into your graveyard.)
Lochmere Serpent
{4}{U}{B}
Creature -- Serpent
7/7
Flash
{U}, Sacrifice an Island: ~this~ can't be blocked this turn.
{B}, Sacrifice a Swamp: You gain 1 life and draw a card.
{U}{B}: Exile five target cards from an opponent's graveyard. Return ~this~ from your graveyard to your hand. Activate only as a sorcery.