Bounty of the Deep

If you have no land cards in your hand, seek a land card and a nonland card. Otherwise, seek two nonland cards. (To seek a card, put one at random from your library into your hand.)

Seek New Knowledge

Seek two nonland cards, then put a card from your hand on the bottom of your library.

Approach of the Second Sun

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Treasure Hunt

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Mystic Sanctuary

({T}: Add {U}.)
Mystic Sanctuary enters tapped unless you control three or more other Islands.
When Mystic Sanctuary enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Island

Ephemerate

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Geistchanneler

When Geistchanneler enters, choose an instant or sorcery card in your hand with mana value 3 or greater. It perpetually gains "This spell costs {2} less to cast."