Ponder

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

Arcum's Astrolabe

({S} can be paid with one mana from a snow source.)
When this artifact enters, draw a card.
{1}, {T}: Add one mana of any color.

Draw two cards, then discard two cards. Untap up to three lands.

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)