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.

Whenever a player casts a green spell, you may gain 1 life.

Enchant green creature

Enchanted creature gets +6/+6.

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

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.)

: Target creature gets +1/+1 until end of turn.

As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed.

, : Put X into target opponent's hand.

: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost.

(: 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.

Xantcha, Sleeper Agent enters the battlefield 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.

: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

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.

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.

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.

Kicker (You may pay an additional as you cast this spell.)

Trample

When Yavimaya Iconoclast enters the battlefield, if it was kicked, it gets +1/+1 and gains haste until end of turn.

When Yavimaya Sapherd enters the battlefield, create a 1/1 green Saproling creature token.

Domain — This spell costs less to cast for each basic land type among lands you control.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Enchant creature

You control enchanted creature.

Enchanted creature gets +2/+2 and has trample.

2 — When this permanent leaves the battlefield, target player discards a card.

5 — When this permanent leaves the battlefield, create five 1/1 white Clown Robot artifact creature tokens.

2 — 3/3

4 — 6/5

You can't cast more than one spell each turn.

You may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere, exile it instead.

Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Put up to one target creature or planeswalker card from a graveyard onto the battlefield under your control. Destroy up to one target creature or planeswalker. Exile Yawgmoth's Vile Offering.

Each opponent sacrifices a land.

Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. (It has no other types or abilities.)

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

Yellow Scarves General can't block.

, : Choose target enchantment you control that doesn't have the same name as another permanent you control. Create a token that's a copy of it, except it isn't legendary. If the token is an Aura, untap Yenna, Redtooth Regent, then scry 2. Activate only as a sorcery.

: Target opponent gains control of Yes Man, Personal Securitron. When they do, you draw two cards and put a quest counter on Yes Man. Activate only during your turn.

Wild Card — When Yes Man leaves the battlefield, its owner creates a tapped 1/1 white Soldier creature token for each quest counter on it.

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

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