Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) {T}: Add {C}. Max speed — {3}, {T}, Discard a card: Draw a card.

When this land enters, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

({T}: Add {U}.)

({T}: Add {R}.)

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When this land enters, you gain 2 life. {T}: Add {C}.

This land enters tapped. {T}: Add {U} or {R}. {U}{R}: Until end of turn, this land becomes a 2/1 blue and red Elemental creature with "During your turn, this creature has first strike." It's still a land. Whenever this land attacks, scry 1.

This land enters tapped. When this land enters, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

Whenever you become the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. Creature tokens get -1/-0.

This artifact enters tapped. {T}: Add two mana of different colors.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

+2: Add {R}{R}{R}. Exile the top three cards of your library. Choose one. You may play that card this turn. +1: Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token." −4: Chandra deals 8 damage divided as you choose among any number of target creatures and/or planeswalkers.

Whenever you attack, up to one target attacking creature can't be blocked this turn. Return that creature to its owner's hand at the beginning of the next end step. Choose a Background (You can have a Background as a second commander.)

Whenever this creature deals combat damage to a player, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. That card gains flashback {0} until end of turn instead if this creature is saddled. (You may cast that card from your graveyard for its flashback cost. Then exile it.) Saddle 3

Defender Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Trample Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn.

When this creature enters, it deals 1 damage to each opponent. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, this creature deals 1 damage to that player.

You may have this creature enter as a copy of a creature you control, except it has "{2}{U}{U}: Return this creature to its owner's hand."

Other blue creatures you control get +1/+1. {U}, {T}: Another target blue creature you control gains flying until end of turn.

Trample Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, return target instant or sorcery card from your graveyard to your hand.

This creature can't be blocked. Threshold — Whenever this creature deals combat damage to a player, draw a card. Then discard a card unless seven or more cards are in your graveyard.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) Max speed — {1}, Sacrifice this creature: Copy target spell you control. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

Flying (This creature can't be blocked except by creatures with flying or reach.) Sacrifice this creature: Counter target spell unless its controller pays {1}.

Whenever this creature becomes tapped, it deals 1 damage to each opponent.

Flash (You may cast this spell any time you could cast an instant.) Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

This spell costs {1} less to cast if you control two or more legendary creatures. Scry 2, then draw two cards.

Return up to three target artifacts and/or creatures to their owners' hands. You may cast a spell with mana value 4 or less from your hand without paying its mana cost.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) Draw a card.

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

As an additional cost to cast this spell, discard a card. Draw two cards. Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

Ranger's Firebrand deals 2 damage to any target. The Ring tempts you.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw three cards.

Spree (Choose one or more additional costs.) + {2} — Exchange control of two target creatures. + {1} — Exchange control of two target artifacts. + {1} — Exchange control of two target enchantments.

Strangle deals 3 damage to target creature or planeswalker.

Exchange control of two target creatures.

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.

Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value. {3}{U}{U}, Exile this enchantment: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.

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.")

Creatures you control get +2/+0 until end of turn.

Counter target spell.

Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able. Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell.

Counter target creature spell.

Fiery Cannonade deals 2 damage to each non-Pirate creature.

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Target creature gets +3/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Scry 2, then draw two cards. You get {E}{E} (two energy counters).

Tap target creature. Scry 1. Draw a card.

Jaya's Greeting deals 3 damage to target creature. Scry 1.

Lightning Strike deals 3 damage to any target.

Return target creature you control and target creature you don't control to their owners' hands.

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

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

Creatures your opponents control get -2/-0 until end of turn. Draw a card.

Double the power of target creature until end of turn.