Pygmy Kavu

When this creature enters, draw a card for each black creature your opponents control.

Flurry of Wings

Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.

Serra Avatar

Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Sway of Illusion

Any number of target creatures become the color of your choice until end of turn.
Draw a card.

Treva, the Renewer

Flying
Whenever Treva deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.

Shifting Sky

As this enchantment enters, choose a color.
All nonland permanents are the chosen color.

Chameleon Spirit

As this creature enters, choose a color.
Chameleon Spirit's power and toughness are each equal to the number of permanents of the chosen color your opponents control.

Boon Reflection

If you would gain life, you gain twice that much life instead.

Painter's Servant

As this creature enters, choose a color.
All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.