Flying, vigilance
When Twilight Shepherd enters the battlefield, return to your hand all cards in your graveyard that were put there from the battlefield this turn.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Target player discards their hand unless they pay 7 life.

Equipped creature has ", : This creature gets +2/+2 until end of turn." ( is the untap symbol.)
Equip

, Sacrifice a Mountain: Valleymaker deals 3 damage to target creature.
, Sacrifice a Forest: Choose a player. That player adds .

This spell can't be countered.
: Target spell can't be countered.

Target creature becomes green and gets +1/+0 until end of turn.
Draw a card.

Wanderbrine Rootcutters can't be blocked by green creatures.

Flying

Watchwing Scarecrow has vigilance as long as you control a white creature.
Watchwing Scarecrow has flying as long as you control a blue creature.

Enchant player
If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.

Whimwader can't attack unless defending player controls a blue permanent.

Whenever Wicker Warcrawler attacks or blocks, put a -1/-1 counter on it at end of combat.

Choose three target nonenchantment permanents. Destroy one of them at random.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Vigilance

Other green creatures you control get +1/+1.
Other white creatures you control get +1/+1.
If a spell or ability an opponent controls causes you to discard Wilt-Leaf Liege, put it onto the battlefield instead of putting it into your graveyard.

Flying
Attacking creatures you control have lifelink.

Wingrattle Scarecrow has flying as long as you control a blue creature.
Wingrattle Scarecrow has persist as long as you control a black creature. (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever Witherscale Wurm blocks or becomes blocked by a creature, that creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)
Whenever Witherscale Wurm deals damage to an opponent, remove all -1/-1 counters from it.

, : Remove a -1/-1 counter from target creature. If you do, you gain 2 life.