{1}, {T}: You gain 2 life. {2}, {T}, Exile Campfire: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Trample Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

Flying When Hellkite Courser enters the battlefield, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

{T}, Put a soul counter on Netherborn Altar: Put your commander into your hand from the command zone. Then you lose 3 life for each soul counter on Netherborn Altar.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +X/+X, where X is the greatest mana value among your commanders. Equip {4}

Target opponent puts a creature card of their choice from their graveyard onto the battlefield under your control. Flashback {8}{B}{B}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Augury Adept deals combat damage to a player, reveal the top card of your library and put that card into your hand. You gain life equal to its mana value.

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.

Choose any target. Draw three cards, then discard a card. Blast of Genius deals damage equal to the discarded card's mana value to that permanent or player.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target. Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, reveal a creature card from your hand. Disaster Radius deals X damage to each creature your opponents control, where X is the revealed card's mana value.

Inspired — Whenever Disciple of Deceit becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle.

Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Erratic Explosion deals damage equal to that card's mana value to that permanent or player. Put the revealed cards on the bottom of your library in any order.

Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Explosive Revelation deals damage equal to that card's mana value to that permanent or player. Put the nonland card into your hand and the rest on the bottom of your library in any order.

{3}{R}: Choose any target, then mill three cards. Heretic's Punishment deals damage to that permanent or player equal to the highest mana value among the milled cards.

{B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Choose any number of target players or planeswalkers. For each of them, reveal cards from the top of your library until you reveal a nonland card, Kaboom! deals damage equal to that card's mana value to that player or planeswalker, then you put the revealed cards on the bottom of your library in any order.

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.

{U}, {T}: Draw two cards. {R}, {T}, Discard a card: Mercurial Chemister deals damage to target creature equal to the discarded card's mana value.

Flying {2}: Target player mills a card. Mindshrieker gets +X/+X until end of turn, where X is the milled card's mana value.

You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life.

Reveal the top three cards of your library and put one of them into your hand. You gain life equal to that card's mana value. Put all other cards revealed this way into your graveyard.

You may exile a white card with mana value X from your hand rather than pay this spell's mana cost. The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.

You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn.

+1: Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its mana value. −X: Sorin, Grim Nemesis deals X damage to target creature or planeswalker and you gain X life. −9: Create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the highest life total among all players.

At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken.

Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, if you have the city's blessing, reveal the top card of your library and put it into your hand. Each opponent loses X life and you gain X life, where X is that card's mana value.

{1}{B}, Discard a creature card: Volrath the Fallen gets +X/+X until end of turn, where X is the discarded card's mana value.

Whenever Wolf of Devil's Breach attacks, you may pay {1}{R} and discard a card. If you do, Wolf of Devil's Breach deals damage to target creature or planeswalker equal to the discarded card's mana value.

+1: Draw a card, then put a card from your hand on top of your library. −1: Exile another target permanent you own, then return it to the battlefield under your control. −6: Choose left or right. Each player gains control of all nonland permanents other than Aminatou, the Fateshifter controlled by the next player in the chosen direction. Aminatou, the Fateshifter can be your commander.

{2}, {T}, Sacrifice Brainstone: Draw three cards, then put two cards from your hand on top of your library in any order.

Draw three cards, then put two cards from your hand on top of your library in any order.

You may play lands from your graveyard.

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library. 0: Draw three cards, then put two cards from your hand on top of your library in any order. −1: Return target creature to its owner's hand. −12: Exile all cards from target player's library, then that player shuffles their hand into their library.

Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. −2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.