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.)

Destroy all creatures with no counters on them.

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

Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target creature. {3}{G}{G}: Double the number of +1/+1 counters on each creature you control.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

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

Strive — This spell costs {1}{G} more to cast for each target beyond the first. Choose any number of target creatures. Double the number of +1/+1 counters on each of them.

Arwen, Mortal Queen enters the battlefield 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.

Trample Ochre Jelly enters the battlefield with X +1/+1 counters on it. Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters the battlefield with half that many +1/+1 counters on it, rounded down.

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity. A deck can have any number of cards named Slime Against Humanity.

Draw three cards.

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

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.

As an additional cost to cast this spell, sacrifice a creature. Draw cards equal to the sacrificed creature's power.

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.

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

Flying Sanctuary Warden enters the battlefield with two shield counters on it. Whenever Sanctuary Warden enters the battlefield or attacks, you may remove a counter from a creature or planeswalker you control. If you do, draw a card and create a 1/1 green and white Citizen creature token.

When Staff of the Storyteller enters the battlefield, create a 1/1 white Spirit creature token with flying. Whenever you create one or more creature tokens, put a story counter on Staff of the Storyteller. {W}, {T}, Remove a story counter from Staff of the Storyteller: Draw a card.

Whenever one or more creatures with mana value 3 or less enter the battlefield under your control, draw a card. This ability triggers only once each turn.

({T}: Add {G} or {W}.) Arctic Treeline enters the battlefield tapped.

Bountiful Promenade enters the battlefield tapped unless you have two or more opponents. {T}: Add {G} or {W}.

{T}: Add {C}. {T}: Add {G} or {W}. Brushland 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 one mana of any color in your commander's color identity.

{T}: Add {C}. {2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

({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 {W}.)

({T}: Add {G} or {W}.) Radiant Grove enters the battlefield tapped.

({T}: Add {G} or {W}.) Scattered Groves enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Selesnya Sanctuary enters the battlefield tapped. When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{W}.

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

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

Temple of Plenty enters the battlefield tapped. When Temple of Plenty enters the battlefield, scry 1. {T}: Add {G} or {W}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

Put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Scry 1.

Each creature you control with a counter on it has ward {1}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) {T}: Put a +1/+1 counter on target creature that entered the battlefield this turn.

Addendum — If you cast this spell during your main phase, put a shield counter on a creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Choose a kind of counter on a creature you control. Put a counter of that kind on each other creature you control.

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

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

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Search your library for up to two Forest cards, put them onto the battlefield tapped, then shuffle.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

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

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

Choose two — • Prevent all damage target instant or sorcery spell would deal this turn. • Target player sacrifices an enchantment. • Put a +1/+1 counter on target creature. • Target creature you control fights target creature you don't control.

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

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

Destroy target artifact or enchantment.

Destroy target artifact or enchantment. Its controller gains 4 life.

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

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.