Ixalan

Flying When Siren Lookout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. O...

Return target nonland permanent you don't control to its owner's hand. If its converted mana cost was 2 or less, scry 2.

As long as you control a Jace planeswalker, Jace's Sentinel gets +1/+0 and can't be blocked.

River Sneak can't be blocked. Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.

Return target creature to its owner's hand. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any colo...

Shaper Apprentice has flying as long as you control another Merfolk.

{3}{G}: Put a +1/+1 counter on target creature. {2}{U}, Remove a +1/+1 counter from a creature you control: Draw a card.

{7}{U}, {T}, Sacrifice Shore Keeper: Draw three cards.

Storm Sculptor can't be blocked. When Storm Sculptor enters the battlefield, return a creature you control to its owner's hand.

When Sailor of Means enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any col...

When Prosperous Pirates enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of ...

Put target artifact or creature on top of its owner's library.

This spell costs {1} less to cast if you control a Pirate. Counter target spell unless its controller pays {4}.

Flying

Gain control of target creature with converted mana cost X.

Other Pirates you control get +1/+1. At the beginning of your end step, gain control of target nonland permanent controlled by a player who was dea...

Deadeye Plunderers gets +1/+1 for each artifact you control. {2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifa...

Target player draws seven cards.

Counter target spell.

Raid — When Shipwreck Looter enters the battlefield, if you attacked with a creature this turn, you may draw a card. If you do, discard a card.

Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. When Tishana ent...

Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Creatures you control with +1/+1 counters on them can't be blocked.