Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.

Stonybrook Banneret

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost {1} less to cast.

Archaeomancer

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Azami, Lady of Scrolls

Tap an untapped Wizard you control: Draw a card.

Graceful Adept

Aetherspouts

For each attacking creature, its owner puts it on their choice of the top or bottom of their library.

Island

High Tide

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Counterspell

Negate

Sky Diamond

This artifact enters tapped.
{T}: Add {U}.

Aetherize

Return all attacking creatures to their owner's hand.

Arcanis the Omnipotent

{T}: Draw three cards.
{2}{U}{U}: Return Arcanis to its owner's hand.