Manifest the top card of your library, then put X +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

At the beginning of your end step, untap all lands you control.

Defender

, Sacrifice Wild-Field Scarecrow: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Whenever an opponent is dealt noncombat damage, creatures you control get +1/+0 until end of turn.

Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.)

Whenever Wildfire Eternal attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost.

: Target creature gets +5/+5 and gains trample until end of turn.

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

Whenever Wildwood Tracker attacks or blocks, if you control another non-Human creature, Wildwood Tracker gets +1/+1 until end of turn.

Target creature gets +2/+2 until end of turn. If it's blocking, instead put two +1/+1 counters on it.

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

Instant and sorcery spells you cast cost less to cast.

+1: Up to one target creature has base power and toughness 0/2 until your next turn.

−3: Draw two cards.

−7: Exile up to five target permanents. For each permanent exiled this way, its controller creates a 4/4 blue and red Elemental creature token.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

You may choose not to untap Willow Satyr during your untap step.

: Gain control of target legendary creature for as long as you control Willow Satyr and Willow Satyr remains tapped.

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

: Target creature gains flying until end of turn.

One or two target creatures gain flying until end of turn.

Two target creatures you control each get +2/+2 and gain flying until end of turn.

Flying

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

When you cycle Windcaller Aven, target creature gains flying until end of turn.

Flying

When Windgrace Acolyte enters the battlefield, mill three cards and you gain 3 life.

: Add .

, : You may cast creature spells this turn as though they had flash.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Flying

Flying, protection from blue

Flying

Whenever Windrider Patrol deals combat damage to a player, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Prevent all combat damage that would be dealt this turn.

Ferocious — If you control a creature with power 4 or greater, instead prevent all combat damage that would be dealt this turn by creatures your opponents control.

Wind-Scarred Crag enters the battlefield tapped.

When Wind-Scarred Crag enters the battlefield, you gain 1 life.

: Add or .

Flash

Flying

When Windshaper Planetar enters the battlefield during the declare attackers step, for each attacking creature, you may reselect which player or permanent that creature is attacking. (It can't attack its controller or their permanents.)

, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

: Target creature gets +X/+0 until end of turn, where X is its power. Sacrifice Wine of Blood and Iron at the beginning of the next end step.

Target player sacrifices an attacking creature.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Wingbeat Warrior is turned face up, target creature gains first strike until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

Flying

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

(Transforms from Hadana's Climb.)

: Add one mana of any color.

, : Target creature you control gains flying and gets +X/+X until end of turn, where X is its power.

Flying

Raid — When Wingmate Roc enters the battlefield, if you attacked this turn, create a 3/4 white Bird creature token with flying.

Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.

Enchant creature

Enchanted creature gets +1/+0 and has flying and first strike.

Wingshield Agent enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Whenever Wingshield Agent attacks, up to one other target creature gains flying until end of turn.

When Wingsteed Trainer enters the battlefield or attacks, conjure a card named Stormfront Pegasus into your hand.

Whenever a non-Human creature you control attacks, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.

Gust of Wind — When Winter Eladrin enters the battlefield, return up to one other target creature to its owner's hand.

Wintermoon Mesa enters the battlefield tapped.

: Add .

, , Sacrifice Wintermoon Mesa: Tap two target lands.

Destroy target land.

Exile target enchantment.

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

Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Whenever you draw your first card during each of your draw steps, draw a card. Then if you have nine or more cards in hand, you may play the exiled card without paying its mana cost.

Forestcycling (, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Whenever another nontoken Elf enters the battlefield, you may create a 1/1 green Insect creature token.

Wishclaw Talisman enters the battlefield with three wish counters on it.

, , Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.

Flying

Whenever another creature with power 2 or less enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

: Creatures you control with power 2 or less gain deathtouch and lifelink until end of turn.

Flying

When Wispweaver Angel enters the battlefield, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Flying

Whenever one or more creatures deal combat damage to you, each opponent sacrifices a creature that dealt combat damage to you this turn. The Ring tempts you.

Discard a card: Witch-king of Angmar gains indestructible until end of turn. Tap it.

, , Sacrifice a creature: You gain 1 life and draw a card.