Priest of Ancient Lore

When Priest of Ancient Lore enters, you gain 1 life and draw a card.

Mulldrifter

Flying
When Mulldrifter enters, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flying
When Cloudblazer enters, you gain 2 life and draw two cards.

Defender
When Wall of Omens enters, draw a card.

When Elvish Visionary enters, draw a card.

Defender
When Wall of Blossoms enters, draw a card.

When Sea Gate Oracle 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.

Defender (This creature can't attack.)
When Carven Caryatid enters, draw a card.

Flying, deathtouch
When Baleful Strix enters, draw a card.

Flash
Enchant creature
When Feather of Flight enters, draw a card.
Enchanted creature gets +1/+0 and has flying.

When Serum Visionary enters, draw a card, then scry 2.