If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

At the beginning of your end step, you may reveal the top card of your library. If you do, each opponent loses life equal to that card's mana value.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

First strike When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, this creature deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

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

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{1}, {T}: Add {B}{R}.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

({T}: Add {B}.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

If an opponent controls seven or more lands, this spell costs {6} less to cast. Flying {R}: This creature gets +1/+0 until end of turn.

Prototype {2}{R} — 3/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Haste

Prototype {2}{R} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying {2}: This creature gets +1/+0 until end of turn.

Prototype {1}{B} — 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Deathtouch

Prototype {1}{B}{B} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Menace, lifelink Ward—Pay life equal to this creature's power.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color that a land an opponent controls could produce.

Prototype {3}{R} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{1}, {T}: Add {B}{R}.

{T}: Add {C}{C}.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{T}: Add {C}. {T}: Add {B} or {R}. This artifact deals 1 damage to you.

{1}{B}: Return this card from your graveyard to the battlefield tapped.

You may cast this card from your graveyard or from exile.

Destroy target artifact, creature, or planeswalker.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn. Trample Whenever a source you control deals noncombat damage to an opponent, this creature deals that much damage to target creature or planeswalker that player controls.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Undaunted (This spell costs {1} less to cast for each opponent.) Destroy two target creatures.

As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs {1} less to cast for each creature tapped this way. Explosive Singularity deals 10 damage to any target.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy all creatures you don't control and all planeswalkers you don't control.

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

Destroy all creatures you don't control. They can't be regenerated.