White spells cost more to cast.
Activated abilities of white enchantments cost more to activate.

: Goblin Balloon Brigade gains flying until end of turn.

Other Goblins get +1/+1 and have mountainwalk.

Flying
: Granite Gargoyle gets +0/+1 until end of turn.

Enchant creature
Enchanted creature has protection from green. This effect doesn't remove Green Ward.

Prevent the next X damage that would be dealt to any target this turn. Until end of turn, you may pay any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that permanent or player this turn.

Choose one —
• Target player gains 3 life.
• Prevent the next 3 damage that would be dealt to any target this turn.

, : Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Enchant creature
Enchanted creature gets +0/+2.
: Enchanted creature gets +0/+1 until end of turn.

Enchant creature
Enchanted creature gets +1/+2.

Target creature gets +X/+0 until end of turn.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Hurricane deals X damage to each creature with flying and each player.

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Destroy target land.

, : Tap target artifact, creature, or land.