Amonkhet

(: Add  or to your mana pool.)

Sheltered Thicket enters the battlefield tapped.

Cycling (, Discard this card: Draw a card.)

Casting Cost: 

Sweltering Suns deals 3 damage to each creature.

Cycling  (, Discard this card: Draw a card.)

Casting Cost: 

You may look at the top card of your library. (You may do this at any time.)

You may cast the top card of your library if it's a creature card.

You may spend mana as though it were mana of any type to cast creature spells.