Wheel of Sun and Moon

Enchant player
If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.

Skyshroud Sentinel

When Skyshroud Sentinel enters, you may search your library for up to three cards named Skyshroud Sentinel, reveal them, put them into your hand, then shuffle.

Cloud Key

As Cloud Key enters, choose artifact, creature, enchantment, instant, or sorcery.
Spells you cast of the chosen type cost {1} less to cast.

Ponder

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Braingeyser

Earthcraft

Tap an untapped creature you control: Untap target basic land.

Brainstorm

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

Ashnod's Altar

Squadron Hawk

Flying
When Squadron Hawk enters, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.