At the beginning of each end step, put a slime counter on each creature you don't control.

Creatures you don't control get -1/-1 for each slime counter on them.

Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token.

, Sacrifice a Slug: Draw a card.

Tranquil Expanse enters tapped.

: Add or .

: Add . Spend this mana only to cast spells with mana value 5 or greater or spells with in their mana costs.

, : Draw a card, then discard a card.

Enchant creature

Enchanted creature gets +3/-1.

: Tyrranax gets -1/+1 until end of turn.

This spell can't be countered.

Trample, ward , haste

Toxic 4 (Players dealt combat damage by this creature also get four poison counters.)

Return target nonland permanent to its owner's hand. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

When Underdark Explorer enters, you take the initiative.

Target nontoken creature you control gets +2/+0 and gains double team until end of turn. It also gains first strike until end of turn if it has the same name as another creature you control or a creature card in your graveyard.

Put a +1/+1 counter and a lifelink counter on target creature.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

For each player, exile up to one target nonland permanent that player controls. For each permanent exiled this way, its controller cloaks the top card of their library. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward . Turn it face up any time for its mana cost if it's a creature card.)

Draw three cards.

Adamant — If at least three blue mana was spent to cast this spell, scry 3.

At the beginning of your end step, draw a card. If you control a Demon, each opponent loses 2 life and you gain 2 life. Otherwise, you lose 2 life.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Destroy target Spirit or enchantment.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying, first strike

Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost.

First strike

As long as Valor is in your graveyard and you control a Plains, creatures you control have first strike.

Equipped creature gets +2/+0.

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

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

Flying

When Verix Bladewing enters, if it was kicked, create Karox Bladewing, a legendary 4/4 red Dragon creature token with flying.

Flying

Vertex Paladin's power and toughness are each equal to the number of creatures you control.

Target creature gets +1/+1 until end of turn. Untap that creature.

Flash

Vigilance

Aegis of the Emperor — Commanders you control have protection from everything.

Whenever a player casts a spell, if no mana was spent to cast it, counter that spell.

, , Sacrifice Vexing Bauble: Draw a card.

When Vexing Devil enters, any opponent may have it deal 4 damage to them. If a player does, sacrifice Vexing Devil.

Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result.

: Add one mana of any color. Roll a d20.

, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, you may return target instant or sorcery card from your graveyard to your hand.

Flying

Cumulative upkeep—Discard a card. (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.)

When Vexing Sphinx dies, draw a card for each age counter on it.

Trample, reach

When Vorinclex enters, search your library for up to two Forest cards, reveal them, put them into your hand, then shuffle.

: Exile Vorinclex, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

Trample

Whenever you tap a land for mana, add one mana of any type that land produced.

Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

As long as you control eight or more lands, Vortex Runner gets +1/+0 and can't be blocked.

Destroy target enchantment.

Flying, haste

Whenever you attack with three or more creatures, you may pay . If you do, return Warcry Phoenix from your graveyard to the battlefield tapped and attacking.

Equipped creature gets +3/+1.

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

Transform up to one target Werewolf you control. Creatures you control gain trample until end of turn.

Flying, vigilance

Whenever you gain or lose life during your turn, Wax-Wane Witness gets +1/+0 until end of turn.

Flash

When Werefox Bodyguard enters, exile up to one other target non-Fox creature until Werefox Bodyguard leaves the battlefield.

, Sacrifice Werefox Bodyguard: You gain 2 life.

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

Enchant creature

Whenever a player cycles a card, put a plague counter on Withering Hex.

Enchanted creature gets -1/-1 for each plague counter on Withering Hex.

Flying

You may cast Worldheart Phoenix from your graveyard by paying rather than paying its mana cost. If you do, it enters with two +1/+1 counters on it.

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.

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.

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

Xenosquirrels enters 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.