Frontier Bivouac

Frontier Bivouac enters the battlefield tapped. {T}: Add {G}, {U}, or {R} to your mana pool.

Jeskai Ascendancy

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures. Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

Rattleclaw Mystic

{T}: Add {G}, {U}, or {R} to your mana pool. Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Rattleclaw Mystic is turned face up, add {G}{U}{R} to your mana pool.

Taigam's Scheming

Look at the top five cards of your library. Put any number of them into your graveyard and the rest back on top of your library in any order.

Treasure Cruise

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Magmatic Insight

As an additional cost to cast Magmatic Insight, discard a land card. Draw two cards.

Flooded Strand

Windswept Heath

Wooded Foothills

Canopy Vista

Cinder Glade

Prairie Stream

Elemental Uprising

Expedite

Slip Through Space

Tormenting Voice

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)