Arwen enters with an indestructible counter on it. {1}, Remove an indestructible counter from Arwen: Another target creature gains indestructible until end of turn. Put a +1/+1 counter and a lifelink counter on that creature and a +1/+1 counter and a lifelink counter on Arwen.

Destroy all creatures. They can't be regenerated.

Destroy all creatures.

You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell.) You draw X cards and you lose X life.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Vigilance Whenever one or more +1/+1 counters are put on this creature, draw a card. This ability triggers only once each turn.

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.)

Your opponents can't cast spells during your turn. Whenever one or more creatures you control each with power greater than its base power deals combat damage to a player, draw a card.

Equipped creature has flying and lifelink. Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards. Equip {3}

Draw a card for each creature you control. Ferocious — You gain 4 life for each creature you control with power 4 or greater.

Whenever you put one or more +1/+1 counters on a creature you control, put a supply counter on this enchantment. {2}, Remove a supply counter from this enchantment: Draw a card.

Trample Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever this creature deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

At the beginning of combat on your turn, exile up to one target card from a graveyard. {1}{B}: Adapt 2. Whenever one or more +1/+1 counters are put on this creature, put a creature card exiled with this creature onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead. Choose a Background (You can have a Background as a second commander.)

({T}: Add {B} or {G}.)

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

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

({T}: Add {G}.)

{T}: Add {C}. {2}{B}{G}, {T}, Sacrifice a creature: Draw a card.

({T}: Add {W}, {B}, or {G}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

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

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

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

({T}: Add {W}.)

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

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

({T}: Add {W} or {B}.)

({T}: Add {W} or {B}.) 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.)

This land enters tapped unless you control a Swamp. {T}: Add {B}. {B}, {T}: Target creature you control connives X, where X is the number of creatures that died this turn. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

({T}: Add {B}.)

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

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

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

Survival — At the beginning of your second main phase, if this creature is tapped, put a flying, lifelink, or +1/+1 counter on it. Whenever this creature or another creature you control dies, if it had counters on it, put those counters on up to one target creature.

Whenever a permanent you control leaves the battlefield, if it had counters on it, put those counters on target permanent you control. {4}{W}: Move any number of counters from target permanent you control to another target permanent you control.

Reyhan enters with three +1/+1 counters on it. Whenever a creature you control dies or is put into the command zone, if it had one or more +1/+1 counters on it, you may put that many +1/+1 counters on target creature. Partner (You can have two commanders if both have partner.)

Prevent all combat damage that would be dealt to you this turn. For each 1 damage prevented this way, create a 2/1 white and black Inkling creature token with flying.

Flying Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.

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.)

When this enchantment enters, support 2. (Put a +1/+1 counter on each of up to two target creatures.) {1}: Choose target creature with a counter on it. When that creature dies this turn, return that card to its owner's hand.

Trample This creature enters with four +1/+1 counters on it. Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.

Coven — At the beginning of combat on your turn, put a +1/+1 counter on up to one target creature you control. Then if you control three or more creatures with different powers, draw a card.

Trample Whenever a player casts a spell, put a +1/+1 counter on this creature.

Commander creatures you own have "This creature enters with an additional +1/+1 counter on it" and "Other creatures you control enter with an additional +1/+1 counter on them."

Mikaeus enters with X +1/+1 counters on it. {T}: Put a +1/+1 counter on Mikaeus. {T}, Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.

This creature enters with eight revival counters on it if you cast it. When this creature dies, if it had a revival counter on it, return it to the battlefield with one fewer revival counter on it at the beginning of the next end step.

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.)

At the beginning of combat on your turn, put a +1/+1 counter on target creature. Whenever this creature attacks while saddled, double the number of +1/+1 counters on target creature. Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

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

{T}: Add {G}. Put a -1/-1 counter on this creature: Untap this creature.

{T}: Add {B}. This creature deals 1 damage to you.

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

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is this creature's power.

This creature has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.) {T}: Add one mana of any color.

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) {T}: Add one mana of any color. {T}: Put a +1/+1 counter on this creature.

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

{1}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Whenever one or more +1/+1 counters are put on this creature, return target permanent card from your graveyard to your hand.

Exile target nonland permanent. You lose 3 life.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Exile target permanent with mana value 4 or greater.

{2}, Sacrifice this creature: Choose one — • Destroy target artifact. • Destroy target enchantment. • Draw a card. Then you may put a land card from your hand onto the battlefield tapped.

Destroy target creature or enchantment.

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

Sacrifice a creature: Add {C}{C}.

({G/P} can be paid with either {G} or 2 life.) {1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Haste Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni. Sacrifice another creature: Yahenni gains indestructible until end of turn.