Double strike

Whenever Warren Instigator deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.

Target player sacrifices a creature. If a Goblin is sacrificed this way, that player creates two 1/1 black Goblin Rogue creature tokens, and those tokens gain haste until end of turn.

Flying

Whenever Warrior Angel deals damage, you gain that much life.

Creatures you control get +1/+1 until end of turn.

Until end of turn, up to two target creatures you control each gain "Whenever this creature deals combat damage to a player, draw a card."

Haste, double team (When this creature attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)

Whenever an opponent taps a land for mana, tap all lands that player controls.

If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

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

Menace (This creature can't be blocked except by two or more creatures.)

Whenever War-Trained Slasher attacks a battle, double its power until end of turn.

Vigilance

Flying, trample

Whenever Wasitora, Nekoru Queen deals combat damage to a player, that player sacrifices a creature. If the player can't, you create a 3/3 black, red, and green Cat Dragon creature token with flying.

Flying

Whenever you cast a Bolas planeswalker spell, you may sacrifice Wasp of the Bitter End. If you do, destroy target creature.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

When Wasteland Raider enters the battlefield, each player sacrifices a creature.

Devoid (This card has no color.)

When Wasteland Strangler enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, target creature gets -3/-3 until end of turn.

Hideaway 4 (When this creature enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Watcher for Tomorrow enters the battlefield tapped.

When Watcher for Tomorrow leaves the battlefield, put the exiled card into its owner's hand.

Reach (This creature can block creatures with flying.)

Watcher in the Web can block an additional seven creatures each combat.

Flying

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

When Watcher of the Roost is turned face up, you gain 2 life.

All Sliver creatures get +0/+2.

Flying

Watchful Blisterzoa enters the battlefield with an oil counter on it.

When Watchful Blisterzoa dies, draw cards equal to the number of oil counters on it.

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

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

As Water Gun Balloon Game enters the battlefield, each player puts a pop counter on "0."

Whenever a player casts a spell, move that player's pop counter up one.

Whenever a player's pop counter hits "5," that player creates a 5/5 pink Giant Teddy Bear creature token and resets all pop counters to "0."

Whenever Water Weird deals combat damage to a player, put a +1/+1 counter on Water Weird if the top card of your library is a nonland card. Otherwise, you may mill a card.

Water Wurm gets +0/+1 as long as an opponent controls an Island.

Flying

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Waterfront District enters the battlefield tapped.

: Add or .

, , Sacrifice Waterfront District: Draw a card.

Enchant creature

When Waterknot enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

: Mill a card. (Put the top card of your library into your graveyard.)

Craft with Island (, Exile this artifact, Exile an Island you control or an Island card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Flying

At the beginning of your upkeep, sacrifice Waterspout Djinn unless you return an untapped Island you control to its owner's hand.

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Waterspout Weavers, you may reveal it. If you do, each creature you control gains flying until end of turn.

When Watertrap Weaver enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Return up to two target creatures to their owners' hands.

(: Add or .)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Trample

When Wave of Rats dies, if it dealt combat damage to a player this turn, return it to the battlefield under its owner's control.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of your draw step, destroy each creature with mana value equal to the number of age counters on Wave of Terror. They can't be regenerated.

Whenever you cast your first spell during each opponent's turn, draw a card.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Flying

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Domain — Wayfaring Giant gets +1/+1 for each basic land type among lands you control.

When Waylaying Pirates enters the battlefield, if you control an artifact, tap target artifact or creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Flying, vigilance

Threshold — As long as seven or more cards are in your graveyard, Wayward Angel gets +3/+3, is black, has trample, and has "At the beginning of your upkeep, sacrifice a creature."

Menace

Whenever another Zombie enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

You may play an additional land on each of your turns.

Wayward Swordtooth can't attack or block unless you have the city's blessing.

Weapon Rack enters the battlefield with three +1/+1 counters on it.

: Move a +1/+1 counter from Weapon Rack onto target creature. Activate only as a sorcery.

Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)

Upgrade (This creature enters the battlefield covering another artifact you control. If it can't, exile it. Ignore the artifact it's covering. Anywhere this card goes, cards underneath it also go. It has haste.)

Destroy target artifact.

Fuse (You may cast one or both halves of this card from your hand.)

Defender

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

You gain 3 life.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)