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.

Ashnod's Altar

Skyshroud Sentinel

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

Earthcraft

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

Ponder

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

Squadron Hawk

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

Cloud Key

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

Braingeyser

Brainstorm

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