Sunrise Seeker

Vigilance
When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Territorial Hammerskull

Whenever this creature attacks, tap target creature an opponent controls.

Tocatli Honor Guard

Creatures entering don't cause abilities to trigger.

Vampire's Zeal

Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.

Wakening Sun's Avatar

When this creature enters, if you cast it from your hand, destroy all non-Dinosaur creatures.

Air Elemental

Arcane Adaptation

As this enchantment enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Cancel

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

Daring Saboteur

{2}{U}: This creature can't be blocked this turn.
Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card.

Bishop of Rebirth

Vigilance
Whenever this creature attacks, you may return target creature card with mana value 3 or less from your graveyard to the battlefield.

Deadeye Quartermaster

When this creature enters, you may search your library for an Equipment or Vehicle card, reveal it, put it into your hand, then shuffle.

Deeproot Waters

Merfolk

Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Treasure

Depths of Desire

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

Dive Down

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Dreamcaller Siren

Flash
Flying
This creature can block only creatures with flying.
When this creature enters, if you control another Pirate, tap up to two target nonland permanents.

Ixalan