Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

Choose one — • Destroy X target artifacts and/or enchantments. • Target player gains twice X life.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Spree (Choose one or more additional costs.) + {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy. + {1} — Change the target of target spell or ability with a single target.

Exile target creature. Its controller gains life equal to its power.

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

When this artifact enters, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land an opponent controls enters, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

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

{T}, Exile this artifact: Search your library for up to X basic land cards, where X is the number of players who control at least two more lands than you. Put those cards onto the battlefield, then shuffle.

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

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {R} or {W}.

This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}{C}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{W}.

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

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

This land enters tapped. {T}: Add {R}. {T}, Sacrifice this land: Add {R}{R}.

({T}: Add {R} or {W}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

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

{T}, Pay 1 life: Add one mana of any type that a land you control could produce. {3}, {T}: You may put a land card from your hand onto the battlefield tapped. {1}, {T}, Sacrifice this land: Draw a card.

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {W}.

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

If this land would enter, sacrifice two untapped lands instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add three mana of any one color.

({T}: Add {R}.)

({T}: Add {W}.)

{T}: Add one mana of any type that a land you control could produce.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {W}{W}. If there are no depletion counters on this land, sacrifice it.

{T}: Add {C}. {R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

This land enters tapped. {T}: Add {W}. {T}, Sacrifice this land: Add {W}{W}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {R} or {W}.) This land enters tapped.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {R}{R}. If there are no depletion counters on this land, sacrifice it.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

{T}, Pay 1 life: Add {R} or {W}. {1}, {T}, Sacrifice this land: Draw a card.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {W}.

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

{T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability.

Whenever a Samurai or Warrior you control attacks alone, you may discard a card. If you do, draw a card.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Creatures you control have trample. Creatures your opponents control lose trample and can't have or gain trample.

Creatures you control have first strike. Creatures your opponents control lose first strike and can't have or gain first strike.

Commander creatures you control get +2/+2 and have indestructible.

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, it gains lifelink until end of turn.

Double strike During your turn, other historic creatures you control have double strike. Disguise {1}{R}{W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Attacking creatures you control have double strike.

Vigilance When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped. Then if an opponent controls more lands than you, repeat this process once. If you search your library this way, shuffle.

Flying, first strike If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead. If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.

Haste Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Indestructible As long as your devotion to red and white is less than seven, Iroas isn't a creature. Creatures you control have menace. Prevent all damage that would be dealt to attacking creatures you control.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.)

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token. At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Whenever a commander you control attacks, put a +1/+1 counter on it. Partner (You can have two commanders if both have partner.)

Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.) Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have haste.

Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card.

First strike Whenever a Samurai or Warrior you control attacks alone, untap it. If it's the first combat phase of the turn, there is an additional combat phase after this phase.

As this creature enters, choose a number. Noncreature spells with mana value equal to the chosen number can't be cast.

When this creature enters, if an opponent controls more lands than you, search your library for a Desert card, put it onto the battlefield tapped, then shuffle. Whenever one or more land cards are put into your graveyard from anywhere, create a 1/1 red, green, and white Sand Warrior creature token. This ability triggers only once each turn.

Whenever this creature becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped.

This creature enters with a +1/+1 counter on it. {T}, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.

Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn. Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying Once during each of your turns, you may play a land from your graveyard or cast a permanent spell with mana value 3 or less from your graveyard. If you do, it gains "When this permanent is put into a graveyard from the battlefield, exile it and you gain 2 life."

No more than one creature can attack each combat. No more than one creature can block each combat.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have double strike.

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Other creatures you control have exalted. (If a creature has multiple instances of exalted, each triggers separately.)

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

Each player chooses a creature they control. Destroy the rest. Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spree (Choose one or more additional costs.) + {1} — Destroy target artifact. + {1} — Destroy target enchantment. + {1} — Put a +1/+1 counter on each creature target player controls.

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

Destroy all creatures and planeswalkers except for commanders.

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Nontoken creatures you control get +1/+1 and have vigilance.

Creatures you control have vigilance. Each creature you control can block an additional creature each combat.

Enchant Mountain you control When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield. (That creature returns under its owner's control.)

When this enchantment enters, you become the monarch. At the beginning of your upkeep, return target permanent card with mana value 3 or less from your graveyard to your hand. If you're the monarch, return that permanent card to the battlefield instead.

Commander creatures you own have "At the beginning of your end step, if a source you controlled dealt 5 or more damage this turn, create a 4/4 red Dragon creature token with flying."

Commander creatures you own have "Whenever this creature attacks, it gains double strike until end of turn."

Legendary creatures you control get +2/+1 and have ward {1}. Nonlegendary creatures you control get +1/+1.

At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with this enchantment.

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, you create two Treasure tokens." (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Red creatures you control get +1/+0. White creatures you control get +0/+1. {R}{W}, Exile this enchantment: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.

Commander creatures you own have "When this creature enters and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn."

Whenever a creature you control attacks alone, exile the top card of your library. You may play that card this turn.