Sliver creatures you control have ": Untap this creature."

Flying
When this creature enters, return two target lands you control to their owner's hand.

: Draw a card for each Ally you control.

When this creature enters, 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.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

Kicker
When this creature enters, copy the next instant or sorcery spell with mana value 2 or less you cast this turn when you cast it. If this creature was kicked, copy that spell twice instead. You may choose new targets for the copies.

Return up to three target creatures your opponents control to their owners' hands. Scry 1.

Return up to three target creatures and/or enchantments to their owners' hands.

When this creature enters, creatures your opponents control get -4/-0 until end of turn.

One or more target creatures become blue until end of turn.

Flash
Enchant creature
Enchanted creature gets +0/+2 as long as it's a Pirate. Otherwise, it gets -2/-0.

This creature can't attack unless defending player controls an Island.

: Add .
, : Add .

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.

: Target land becomes the basic land type of your choice until end of turn.

: This creature gets +1/+0 until end of turn.

Flying, protection from red

: Regenerate this creature. Activate only if this creature blocked or was blocked by a blue creature this turn.

Mutate
Flash
Whenever this creature deals combat damage to a player, draw a card.

Whenever a Merfolk you control deals combat damage to a player, draw a card.

: This creature gets +1/+0 until end of turn and can't be blocked this turn. This ability costs less to activate for each creature in your party. (Your party consists of up to one of each Cleric, Rogue, Warrior, and Wizard.)

, : Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.

Sacrifice this enchantment: Return target creature to its owner's hand.

This creature can't attack unless defending player controls an Island.
: Monstrosity 3.
When this creature becomes monstrous, target land becomes an Island in addition to its other types.

Whenever you search your library, scry 1.
Scryfall — Whenever you scry, put a +1/+1 counter on Search Elemental. It can't be blocked this turn.

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta.

When this enchantment enters, exile the top five cards of your library.
Whenever you play a card with the same name as one of the exiled cards, you may put one of those cards with that name into its owner's hand. Then if there are no cards exiled with this enchantment, sacrifice it. If you do, take an extra turn after this one.