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.)

Trample Whenever a source you control deals 5 or more damage to a player, draw a card.

Vigilance, reach, trample Whenever this creature attacks or blocks, choose one — • Create a 3/3 green Beast creature token. • You gain 3 life. • Draw a card.

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

At the beginning of combat on your turn, choose one — • Creatures you control get +1/+1 and gain trample until end of turn. • Target land gains "{T}: Add {G}{G}{G}" until end of turn. • Draw a card if you control a creature with power 3 or greater. • You gain 3 life.

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card." Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

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.)

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

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

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

({T}: Add {G}.)

{T}: Add {C}. {T}: Add {R} or {G}. Each opponent gains 1 life.

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

{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

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

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 {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({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.

You have no maximum hand size. {T}: Add {C}.

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

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

{T}: Add {C}. {R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

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.

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

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

{T}: Add {R}. {T}: Add {G}. Activate only if you control a Mountain or a Forest.

{T}: Add {C}. {2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it. {4}, {T}, Sacrifice this land: Put an indestructible counter on target God.

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

Choose one — • Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle. • Put a +1/+1 counter on target creature you control. It deals damage equal to its power to target creature you don't control. • Exile target artifact or enchantment.

Trample, haste Skilled Outrider — Whenever this creature deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

{T}: Add {G}.

Each spell you cast that's red or green costs {1} less to cast.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Flying, haste Whenever Klauth attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.

{T}: Add {G}.

First strike, haste {2}{R}, Sacrifice this creature: Draw a card and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Haste (This creature can attack and {T} as soon as it comes under your control.) Whenever Ruby attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn. {T}: Add {R} or {G}.

Put a +1/+1 counter on up to one target creature. You gain 2 life. You may play an additional land this turn. Draw a card.

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

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

{T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn.

Reach Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) At the beginning of combat on your turn, other creatures you control with power 4 or greater gain trample and haste until end of turn.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

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.

At the beginning of combat on your turn, choose one — • Target creature you control gets +2/+0 until end of turn. • Target creature you control gains menace and haste until end of turn.

After this main phase, there are two additional combat phases. At the beginning of each combat this turn, untap all creatures that attacked this turn.

Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

{R}: This creature gets +1/+0 until end of turn. Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Creatures you control have haste. Legendary creatures you control get +1/+0.

Cast this spell only during combat on your turn. Choose one — • Creatures you control gain double strike until end of turn. • Untap all creatures you control. After this phase, there is an additional combat phase. Entwine {1}{R} (Choose both if you pay the entwine cost.)

Trample Other creatures you control have trample. Whenever another nontoken creature you control enters, put a +1/+1 counter on it. It gains haste until end of turn.

Defender {3}, {T}: Target creature can't be blocked this turn.

Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.) Equip {2}

Equipped creature has flying. Sacrifice this Equipment: Equipped creature can't be blocked this turn. Sacrifice it at the beginning of the next end step. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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

Target creature you control deals damage equal to its power to each other creature and each opponent.

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.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Destroy target artifact and target enchantment.

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

Permanents you control gain hexproof and indestructible until end of turn.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Target creature you control gains hexproof until end of turn. Create a Royal Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has ward {1}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Choose one — • Destroy target artifact. • Change the target of target spell or ability with a single target. • One or two target creatures can't block this turn.

Draw a card if an opponent has cast a blue or black spell this turn. Spells you control can't be countered this turn. You and permanents you control gain hexproof from blue and from black until end of turn. (You and they can't be the targets of blue or black spells or abilities your opponents control.)

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

{T}: Untap target Forest.

Choose two — • Your opponents can't gain life this turn. • Atarka's Command deals 3 damage to each opponent. • You may put a land card from your hand onto the battlefield. • Creatures you control get +1/+1 and gain reach until end of turn.

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

Trample As long as this card is in your graveyard and you control a Forest, creatures you control have trample.

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

If this creature hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)

Cosmotronic Wave deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn.

Dash {3}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Double strike

When this creature enters, you may return target card from your graveyard to your hand.

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.)