Woolly Mammoths has trample as long as you control a snow land.

Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

: The next time you would draw a card this turn, Words of War deals 2 damage to any target instead.

Assemble two Contraptions. (Put the top card of your Contraption deck face up onto one of your sprockets. Then repeat this process.)

Trample

When Workshop Warchief enters, you gain 3 life.

When Workshop Warchief dies, create a 4/4 green Rhino Warrior creature token.

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.)

Devoid (This card has no color.)

When you cast this spell, exile target artifact, enchantment, or land.

Reach

, Sacrifice a land: Return World Breaker from your graveyard to your hand. ( represents colorless mana.)

Flying, trample

When Worldgorger Dragon enters, exile all other permanents you control.

When Worldgorger Dragon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

If you would create one or more artifact tokens, instead create those tokens plus an additional Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

, : Create a token that's a copy of target artifact token you control.

Create a 1/1 black and green Worm creature token for each land card in your graveyard.

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

Wormfang Crab can't be blocked.

When Wormfang Crab enters, an opponent chooses a permanent you control other than Wormfang Crab and exiles it.

When Wormfang Crab leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flying

When Wormfang Manta enters, you skip your next turn.

When Wormfang Manta leaves the battlefield, you take an extra turn after this one.

When Wormfang Turtle enters, exile a land you control.

When Wormfang Turtle leaves the battlefield, return the exiled card to the battlefield under its owner's control.

: Wormwood Dryad gains forestwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Forest.)

: Wormwood Dryad gains swampwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Swamp.)

You control target player during that player's next turn. Exile Worst Fears. (You see all cards that player could see and make all decisions for the player.)

When Wort, the Raidmother enters, create two 1/1 red and green Goblin Warrior creature tokens.

Each red or green instant or sorcery spell you cast has conspire. (As you cast the spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy.)

: Add one mana of any color.

, : Another target creature gets +3/+3 and gains trample until end of turn.

Gain control of target creature with power 4 or less until end of turn. Untap that creature. It gains haste until end of turn.

Wrap in Flames deals 1 damage to each of up to three target creatures. Those creatures can't block this turn.

Destroy all creatures. They can't be regenerated.

Put a manabond counter on all creatures. (They lose all other abilities and become lands with ": Add one mana of this card's color.")

Wrathful Jailbreaker attacks each combat if able.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Flying

Whenever a Dragon you control is dealt damage, it deals that much damage to any target that isn't a Dragon.

Enchant creature

Enchanted creature gets +X/+X, where X is the number of creature cards in your graveyard.

Destroy target creature or land.

Lands you control have ": Add one mana of any color."

+1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance, hexproof, and haste until your next turn. It's still a land.

−2: Mill three cards. You may put a permanent card from among the milled cards into your hand.

−7: You get an emblem with "You may play lands and cast permanent spells from your graveyard."

+1: Return up to one target land card from your graveyard to your hand.

−1: Wrenn and Six deals 1 damage to any target.

−7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)

Champion an Elf (When this creature enters, sacrifice it unless you exile another Elf you control. When this creature leaves the battlefield, that card returns to the battlefield.)

: Create a 2/2 green Wolf creature token.

Wolves you control have deathtouch.

Whenever another creature enters, you lose 1 life.

Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it.

Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.)

Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Enchant creature

Whenever enchanted creature attacks, if its power is 2 or less, it can't be blocked this turn.

Forecast — , Reveal Writ of Passage from your hand: Target creature with power 2 or less can't be blocked this turn. (Activate only during your upkeep and only once each turn.)

This spell costs less to cast for each creature card in your graveyard.

Deathtouch

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Wu Warship can't attack unless defending player controls an Island.

Devoid (This card has no color.)

When you cast this spell, if wasn't spent to cast it, target opponent may put a creature card from their hand onto the battlefield.

Trample

Deathtouch, lifelink

When Wurmcoil Larva dies, create a 1/2 black Phyrexian Wurm artifact creature token with deathtouch and a 2/1 black Phyrexian Wurm artifact creature token with lifelink.

Enchant green creature

Enchanted creature gets +6/+6.

, Sacrifice Wurmweaver Coil: Create a 6/6 green Wurm creature token.

Vigilance

Whenever Wylie Duke, Atiin Hero becomes tapped, you gain 1 life and draw a card.

Choose target spell or ability with one or more targets. Roll a d20 and add the greatest power among creatures you control.

1–14 | You may choose new targets for that spell or ability.

15+ | You may choose new targets for that spell or ability. Then copy it. You may choose new targets for the copy.

At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way.

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.)

Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost.

Xantcha, Sleeper Agent enters under the control of an opponent of your choice.

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.

: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

Flying

Whenever Xantid Swarm attacks, defending player can't cast spells this turn.

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

, : Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

: Until end of turn, Xathrid Slyblade loses hexproof and gains first strike and deathtouch. (It deals combat damage before creatures without first strike. Any amount of damage it deals to a creature is enough to destroy it.)

Indestructible

As long as your devotion to red and green is less than seven, Xenagos isn't a creature.

At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.

As Xenograft enters, choose a creature type.

Each creature you control is the chosen type in addition to its other types.