When Wormfang Newt enters the battlefield, exile a land you control.

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

Players can't play lands.

Lands can't enter the battlefield.

At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth.

At the beginning of each player's upkeep, that player mills a card.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, you may return target Goblin card from your graveyard to your hand.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

As an additional cost to cast this spell, sacrifice a creature.

You gain life equal to the sacrificed creature's toughness.

Target creature deals damage to itself equal to its power.

Flash

At the beginning of your end step, if you haven't cast a spell from your hand this turn, create a 2/2 white Spirit creature token with flying.

Regenerate each creature you control.

When Wrath of Marit Lage enters the battlefield, tap all red creatures.

Red creatures don't untap during their controllers' untap steps.

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 the battlefield, 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 the battlefield, 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.)

Wu Admiral gets +1/+1 as long as an opponent controls an Island.

: Wu Longbowman deals 1 damage to any target. Activate only during your turn, before attackers are declared.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

If a creature you control attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Corrupted — Create an X/X green Phyrexian Wurm creature token with trample and toxic 1, where X is the amount of mana spent to cast this spell. Then for each opponent with three or more poison counters, you create another one of those tokens.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash

Flying

, Pay 1 life: Return Wydwen, the Biting Gale to its owner's hand.

If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.

Whenever you roll one or more dice, put a +1/+1 counter on Wyll, Blade of Frontiers.

Choose a Background (You can have a Background as a second commander.)

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

(: Add , , or .)

Xander's Lounge enters the battlefield tapped.

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

Whenever one or more creatures you control die, draft a card from Xander's Wake's spellbook. This ability triggers only once each turn.

: Until end of turn, Xanthic Statue becomes an 8/8 Golem artifact creature with trample.

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap Xathrid Demon and you lose 7 life.

Whenever Xathrid Necromancer or another Human creature you control dies, create a tapped 2/2 black Zombie creature token.

, Remove a counter from another permanent you control: Populate. Activate only as a sorcery. (Create a token that's a copy of a creature token you control.)

, Sacrifice another creature: Proliferate. Activate only as a sorcery. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

+1: Add X mana in any combination of and/or , where X is the number of creatures you control.

0: Create a 2/2 red and green Satyr creature token with haste.

−6: Exile the top seven cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield.

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

Sacrifice Xiahou Dun, the One-Eyed: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.

Flying, haste

Whenever Xira, the Golden Sting attacks, put an egg counter on another target creature without an egg counter on it. When that creature dies, if it has an egg counter on it, draw a card and create a 1/1 black Insect creature token with flying.

: Target creature you control gets +2/+0 until end of turn. Activate only during your turn, before attackers are declared.

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.

Sacrifice another creature: Yahenni gains indestructible until end of turn.

Yamabushi's Flame deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Flying

When Yanling's Harbinger enters the battlefield, you may search your library and/or graveyard for a card named Mu Yanling, Celestial Wind, reveal it, and put it into your hand. If you search your library this way, shuffle.

Target creature defending player controls gets +3/+0 until end of turn. That creature can block up to two additional creatures this turn.

When Yarok's Fenlurker enters the battlefield, each opponent exiles a card from their hand.

: Yarok's Fenlurker gets +1/+1 until end of turn.

Other creatures you control have haste.

Whenever one or more face-down creatures you control deal combat damage to a player, draw a card.

Whenever a face-down creature you control dies, return it to the battlefield face down under its owner's control if it's a permanent card, then turn it face up.

: Exile the top card of your library. Until your next end step, you may play it.

Doctor's companion (You can have two commanders if the other is the Doctor.)

: Yavimaya Ancients gets +1/-2 until end of turn.

Protection from blue

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

When Yavimaya Dryad enters the battlefield, you may search your library for a Forest card, put it onto the battlefield tapped under target player's control, then shuffle.

Yavimaya Enchantress gets +1/+1 for each enchantment on the battlefield.