Whenever you put one or more counters on a permanent or player, All Will Be One deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

Vigilance

Whenever Aragorn and Arwen, Wed enters the battlefield or attacks, put a +1/+1 counter on each other creature you control. You gain 1 life for each other creature you control.

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

Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Arwen, Weaver of Hope's toughness.

Creatures your opponents control with power less than Baeloth Barrityl's power are goaded. (They attack each combat if able and attack a player other than you if able.)

Whenever a goaded attacking or blocking creature dies, you create a Treasure token.

Choose a Background (You can have a Background as a second commander.)

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

{T}: Add {R}, {G}, or {W}.

{T}: Add {G}.

At the beginning of your end step, you may sacrifice a nontoken creature. If you do, create X 2/2 green Wolf creature tokens, where X is the sacrificed creature's toughness.

+2: Create a 1/1 green Elf Druid creature token with "{T}: Add {G}."

-2: Destroy target artifact or enchantment.

-6: Draw a card for each green creature you control.

Freyalise, Llanowar's Fury can be your commander.

Create X 1/1 green Elf Warrior creature tokens, where X is the number of attacking creatures.

Prevent all combat damage that would be dealt this turn by non-Elf creatures.

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

Other Elves you control get +1/+1.

Whenever a creature you control becomes blocked, it gets +3/+3 until end of turn for each creature blocking it.

Haste

Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.

Flash

At the beginning of your upkeep, for each creature you control that's a Wolf or a Werewolf, create a 2/2 green Wolf creature token.

At the beginning of combat on your turn, target Wolf or Werewolf you control gets +2/+2 until end of turn.

Whenever an opponent casts their second spell each turn, create a 2/2 green Wolf creature token.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

({T}: Add {R}, {G}, or {W}.)

Jetmir's Garden enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

If you would create one or more tokens, you may instead create that many 2/2 green Cat creature tokens with haste or that many 3/1 green Dog creature tokens with vigilance.

At the beginning of your upkeep, exile the top four cards of your library, then roll a d20.

1--9 | You may put a land card from among those cards onto the battlefield.

10--19 | Create a 2/2 green Wolf creature token, then put a +1/+1 counter on it for each creature card among those cards.

20 | Put all permanent cards exiled with Journey to the Lost City onto the battlefield, then sacrifice it.

Whenever Kessig Cagebreakers attacks, create a 2/2 green Wolf creature token that's tapped and attacking for each creature card in your graveyard.

{T}: Add {G}.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

At the beginning of your upkeep, create a 2/2 green Wolf creature token.

{T}: Tap all untapped Wolf creatures you control. Each Wolf tapped this way deals damage equal to its power to target creature. That creature deals damage equal to its power divided as its controller chooses among any number of those Wolves.

You may play an additional land on each of your turns.

{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

+1: Search your library for a card named Nissa's Chosen, put it onto the battlefield, then shuffle.

+1: You gain 2 life for each Elf you control.

-7: Search your library for any number of Elf creature cards, put them onto the battlefield, then shuffle.

Changeling (This card is every creature type.)

As Realmwalker enters the battlefield, choose a creature type.

You may look at the top card of your library any time.

You may cast creature spells of the chosen type from the top of your library.

When Reclamation Sage enters, you may destroy target artifact or enchantment.

You have no maximum hand size.

{T}: Add {C}.

When Rishkar, Peema Renegade enters, put a +1/+1 counter on each of up to two target creatures.

Each creature you control with a counter on it has "{T}: Add {G}."

Flying, vigilance

Whenever one or more +1/+1 counters are put on a creature you control, Shalai and Hallar deals that much damage to target opponent.

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

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

When Tolsimir, Friend to Wolves enters the battlefield, create Voja, Friend to Elves, a legendary 3/3 green and white Wolf creature token.

Whenever a Wolf enters the battlefield under your control, you gain 3 life and that creature fights up to one target creature you don't control.

Lifelink

When Tolsimir, Midnight's Light enters the battlefield, create Voja Fenstalker, a legendary 5/5 green and white Wolf creature token with trample.

Whenever a Wolf you control attacks, if Tolsimir attacked this combat, target creature an opponent controls blocks that Wolf this combat if able.

Kinship -- At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Wolf-Skull Shaman, you may reveal it. If you do, create a 2/2 green Wolf creature token.

Multikicker {G} (You may pay an additional {G} any number of times as you cast this spell.)

When Wolfbriar Elemental enters the battlefield, create a 2/2 green Wolf creature token for each time it was kicked.

Champion an Elf (When this creature enters the battlefield, sacrifice it unless you exile another Elf you control. When this creature leaves the battlefield, that card returns to the battlefield.)

{2}{G}: Create a 2/2 green Wolf creature token.

Wolves you control have deathtouch.