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

Flash (You may cast this spell any time you could cast an instant.)

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

Discard a land card: Create a 2/2 green Bear creature token.

Whenever another Bear enters the battlefield under your control, choose one — • Put two +1/+1 counters on target Bear. • Target Bear you control fights target creature you don't control.

{1}{G}, Exile two cards from your graveyard: Create a 2/2 green Bear creature token.

Prevent all noncombat damage that would be dealt to you and creatures you control. Whenever a nontoken creature enters the battlefield under your control, create a 2/2 white Unicorn creature token.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.) As long as Druid's Familiar is paired with another creature, each of those creatures gets +2/+2.

Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library.

Landfall — Whenever a land enters the battlefield under your control, choose one — • Create a 2/2 white Cat Beast creature token. • Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Create X 2/2 red Human Knight creature tokens with trample and haste. Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.

Create two 2/2 green Bear creature tokens. Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard. Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Aura spells you cast cost {1} less to cast. Heroic — Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.

Jackal Familiar can't attack or block alone.

Each player may reveal any number of creature cards from their hand. Then each player creates a 2/2 green Bear creature token for each card they revealed this way.

{3}{G}{G}, Exile Mother Bear from your graveyard: Create two 2/2 green Bear creature tokens. Activate only as a sorcery.

{G}{G}{G}{G}, {T}: Regenerate target creature.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Echo {G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Whenever you cast a creature spell, put a +1/+1 counter on Quirion Beastcaller. When Quirion Beastcaller dies, distribute X +1/+1 counters among any number of target creatures you control, where X is the number of +1/+1 counters on Quirion Beastcaller.

Vigilance, trample Rampaging Yao Guai enters the battlefield with X +1/+1 counters on it. When Rampaging Yao Guai enters the battlefield, destroy any number of target artifacts and/or enchantments with total mana value X or less.

Flying Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Lieutenant — As long as you control your commander, other creatures you control have melee.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card.

When Striped Bears enters the battlefield, draw a card.

Choose two — • Exile target player's graveyard. You gain 1 life for each card exiled this way. • Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. • Create two 2/2 green Bear creature tokens. • Put two +1/+1 counters on each creature you control.

Whenever Tuya Bearclaw attacks, it gets +X/+X until end of turn, where X is the greatest power among other creatures you control.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Other creatures you control get +1/+1.

Morbid — When Ulvenwald Bear enters the battlefield, if a creature died this turn, put two +1/+1 counters on target creature.

Whenever a creature enters the battlefield, if you cast it from your hand, you may search your library for a creature card with the same total power and toughness, put it onto the battlefield, then shuffle.

This spell can't be countered. Vigilance, reach, trample Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Choose a Background (You can have a Background as a second commander.)

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

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

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

Creatures you control get +1/+0 and have vigilance as long as you control three or more creatures. Creatures you control also get +1/+0 and have trample as long as you control six or more creatures. Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures.

Choose one or both — • Exile target artifact or creature you control, then return it to the battlefield under its owner's control. • Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield.

Exile target creature you control, then return that card to the battlefield under your control.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

{3}: Exile another target creature you control, then return it to the battlefield under its owner's control. Whenever another creature enters the battlefield under your control, you may pay {G/W}. If you do, put a +1/+1 counter on it. If it's a Unicorn, put two +1/+1 counters on it instead. ({G/W} can be paid with either {G} or {W}.)

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

Exile all nontoken creatures you control, then roll a d20. 1—9 | Return those cards to the battlefield under their owner's control at the beginning of the next end step. 10—20 | Return those cards to the battlefield under their owner's control, then exile them again. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Equipped creature gets +2/+2 and has protection from green and from white. Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle. Equip {2}

Argoth, Sanctum of Nature enters the battlefield tapped unless you control a legendary green creature. {T}: Add {G}. {2}{G}{G}, {T}: Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery. (Melds with Titania, Voice of Gaea.)

{T}: Add {C}. {T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

({T}: Add {G} or {W}.) Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Clifftop Retreat enters the battlefield 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.

({T}: Add {R} or {G}.) Commercial District enters the battlefield tapped. When Commercial District enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

As Fortified Village enters the battlefield, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters the battlefield tapped. {T}: Add {G} or {W}.

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped. {T}: Add {R} or {G}.

({T}: Add {R}, {G}, or {W}.) Jetmir's Garden enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

({T}: Add {G} or {W}.) Lush Portico enters the battlefield tapped. When Lush Portico enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

({T}: Add {R}.)

Path of Ancestry enters the battlefield 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.)

({T}: Add {W}.)

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

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

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

Spire Garden enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {G}.

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

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

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

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

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

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

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

Trample, haste

Other creatures you control get +1/+1.