Regrowth

Return target card from your graveyard to your hand.

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Mox Emerald

Mox Sapphire

Time Walk

Ancestral Recall

Lord of Atlantis

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Force of Will

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

Manta Riders

{U}: Manta Riders gains flying until end of turn.

Quirion Dryad

Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on Quirion Dryad.

Gaea's Skyfolk

Tropical Island

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Daze

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
Counter target spell unless its controller pays {1}.

Land Grant

If you have no land cards in hand, you may reveal your hand rather than pay this spell's mana cost.
Search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

Gush

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Disenchant

Savannah

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

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