Devoid (This card has no color.)

When you cast this spell, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add ."

Reach

Whenever you sacrifice another Eldrazi, put a +1/+1 counter on Writhing Chrysalis.

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.

When Wu Spy enters the battlefield, look at the top two cards of target player's library. Put one of them into their graveyard.

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.

Deathtouch, lifelink

When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.

When Wurmskin Forger enters the battlefield, distribute three +1/+1 counters among one, two, or three target creatures.

Trample

Whenever Wyleth, Soul of Steel attacks, draw a card for each Aura and Equipment attached to it.

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 copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

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.

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.

Xenosquirrels enters the battlefield with two +1/+1 counters on it.

After you roll a die, you may remove a +1/+1 counter from Xenosquirrels. If you do, increase or decrease the result by 1.

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.

If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token.

Flying

Whenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token.

Whenever Xyris, the Writhing Storm deals combat damage to a player, you and that player each draw that many cards.

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.

Deathtouch, lifelink

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

When Yarok's Wavecrasher enters the battlefield, return another creature you control to its owner's hand.

When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.

Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.

Trample

At the beginning of combat on your turn, you may pay . If you do, gain control of target creature an opponent controls with power less than Yasova Dragonclaw's power until end of turn, untap that creature, and it gains haste until end of turn.

Trample, haste

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.)

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.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Yavimaya Granger enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Yavimaya Kavu's power is equal to the number of red creatures on the battlefield.

Yavimaya Kavu's toughness is equal to the number of green creatures on the battlefield.

Protection from artifacts

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

, Sacrifice Yavimaya Steelcrusher: Destroy target artifact.

Flying (This creature can't be blocked except by creatures with flying or reach.)

First strike (This creature deals combat damage before creatures without first strike.)

At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap Yawgmoth Demon and it deals 2 damage to you.

Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.

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

Yellow Scarves Cavalry can't block.

Yellow Scarves Troops can't block.

Flying, vigilance, menace

Whenever Yennett, Cryptic Sovereign attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card.

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

You may cast green creature spells as though they had flash.

: Yew Spirit gets +X/+X until end of turn, where X is its power.

Trample

Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Cards in graveyards lose all abilities.

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

Whenever Yore-Tiller Nephilim attacks, return target creature card from your graveyard to the battlefield tapped and attacking.

Yorvo, Lord of Garenbrig enters the battlefield with four +1/+1 counters on it.

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on Yorvo. Then if that creature's power is greater than Yorvo's power, put another +1/+1 counter on Yorvo.

Whenever another legendary permanent enters the battlefield under your control, put a +1/+1 counter on Yoshimaru, Ever Faithful.

Partner (You can have two commanders if both have partner.)

Whenever Yotian Frontliner attacks, another target creature you control gets +1/+1 until end of turn.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Vigilance

Flying