Astrolabe (3)
( can be paid with one mana from a snow source.)
When Arcum's Astrolabe enters, draw a card.
, : Add one mana of any color.
, , Sacrifice Astrolabe: Add two mana of any one color. Draw a card at the beginning of the next turn's upkeep.
Flash
, , Sacrifice an artifact: Draw a card.
Gatherer works better in the Companion app!
can be paid with one mana from a snow source.)
, 
: Add one mana of any color.