{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

This artifact enters tapped. {T}: Add {R}.

{T}: Add three mana of any one color.

Creatures you control have haste. {2}{R}, {T}, Sacrifice a land: Create a 3/3 colorless Golem enchantment artifact creature token.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

As this artifact enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Red spells you cast cost {1} less to cast.

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

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, exile the top card of your library. Until end of turn, you may play that card.

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Flying Whenever this creature attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

{R}: This creature gets +2/+0 until end of turn. Activate only once each turn. Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying Commander creatures you control get +2/+2 and have haste.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn.

{T}, Sacrifice this creature: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

Flying, haste Whenever this creature attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

{R}, {T}, Discard a card: Destroy target blue permanent. {1}{R}, {T}, Discard a card: Jaya Ballard deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn. {5}{R}{R}, {T}, Discard a card: Jaya Ballard deals 6 damage to each creature and each player.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target opponent.

Haste {1}, {T}, Discard a card: Draw a card. Whenever you discard one or more artifact cards, add {R}{R}. This ability triggers only once each turn.

Flying Whenever you cast a spell from exile, copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

Dinosaur spells you cast cost {1} less to cast. {T}: Target Dinosaur gains haste until end of turn.

Whenever this creature deals combat damage to a player, untap each creature you control. After this phase, there is an additional combat phase. This creature can't attack a player it has already attacked this turn.

Reach, haste Whenever this creature attacks, if defending player has more cards in hand than you, exile the top card of their library. During any turn you attacked with a Rogue, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

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.

Trample Whenever this creature deals combat damage to a player, exile the top card of your library. Until end of turn, you may play that card. Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Creatures you control have haste. Creatures your opponents control enter tapped.

When this enchantment enters, you may discard a card. If you do, draw two cards. {1}, Sacrifice this enchantment: Creatures you control gain haste until end of turn.

Cumulative upkeep—Add {R}. (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.)

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

All creatures have haste.

Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent."

Attacking creatures you control have first strike. Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it. Madness {2}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Up to two target creatures each get +1/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.) Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.")

Fiery Temper deals 3 damage to any target. Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies. 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, discard a card or pay {5}. Lightning Axe deals 5 damage to target creature.

Lightning Bolt deals 3 damage to any target.

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.

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

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

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.")

As this land enters, you may reveal an Elemental card from your hand. If you don't, this land enters tapped. {T}: Add {R}. {R}, {T}: Target creature gains haste until end of turn.

{T}: Add {C}. {R}, {T}: Target creature gains haste until end of turn. {3}{R}{R}, {T}: If you both own and control this land and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

({T}: Add {R}.)

{T}: Add {C}. {T}, Pay 1 life: Add {R}. {2}{R}{R}, {T}, Sacrifice a Desert: This land deals 2 damage to each opponent.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.

Alchemist's Greeting deals 4 damage to target creature. Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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

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

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.)

You may exile two red cards from your hand rather than pay this spell's mana cost. Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs. Flashback {7}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Add {R} for each tapped land your opponents control.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

When Godo enters, you may search your library for an Equipment card, put it onto the battlefield, then shuffle. Whenever Godo attacks for the first time each turn, untap it and all Samurai you control. After this phase, there is an additional combat phase.

Choose one — • Until end of turn, you gain control of target creature and it gains haste. • Sacrifice a creature. Grab the Reins deals damage equal to that creature's power to any target. Entwine {2}{R} (Choose both if you pay the entwine cost.)