Defender

As long as there are two or more counters among creatures you control, Backstreet Bruiser can attack as though it didn't have defender.

When Backup Agent enters the battlefield, put a +1/+1 counter on target creature.

{T}: Add {C}.

{2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Basri's Acolyte enters, put a +1/+1 counter on each of up to two other target creatures you control.

Blossoming Sands enters tapped.

When Blossoming Sands enters, you gain 1 life.

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

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

Scry 1.

Botanical Plaza enters the battlefield tapped.

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

{2}{G}{W}, {T}, Sacrifice Botanical Plaza: Draw a card.

At the beginning of your end step, put a +1/+1 counter on each creature you control and a loyalty counter on each planeswalker you control.

Choose one --

• Target creature you control gets +1/+0 until end of turn. It deals damage equal to its power to target creature or planeswalker an opponent controls.

• Destroy target enchantment.

• Draw two cards.

When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

{4}{G/U}: Brokers Initiate has base power and toughness 5/5 until end of turn.

When Brokers Veteran dies, put a shield counter on target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

When Caldaia Strongarm enters the battlefield, put two +1/+1 counters on target creature.

Blitz {3}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Draw two cards, then look at the top card of each player's library.

Flying

When Celestial Regulator enters the battlefield, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

When Cleanup Crew enters the battlefield, choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

• You gain 4 life.

{T}: Add {C}.

{4}: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

When Dauntless Survivor enters the battlefield, put a +1/+1 counter on target creature.

Distribute three +1/+1 counters among one, two, or three target creatures you control.

Deserted Beach enters the battlefield tapped unless you control two or more other lands.

{T}: Add {W} or {U}.

Double strike

Disciplined Duelist enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Magecraft -- Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Dragonsguard Elite.

{4}{G}{G}: Double the number of +1/+1 counters on Dragonsguard Elite.

Counter target spell. Its controller draws a card.

Draw a card.

Flying

When Echo Inspector enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

{2}, {T}, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Create two 1/1 blue Fish creature tokens with "This creature can't be blocked." Then for each kind of counter among creatures you control, put a counter of that kind on either of those tokens.

Flash

Flying

Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.

Flying, trample

Falco Spara, Pactweaver enters the battlefield with a shield counter on it.

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

You may cast spells from the top of your library by removing a counter from a creature you control in addition to paying their other costs.

Landfall -- Whenever a land you control enters, put a +1/+1 counter on Fearless Fledgling. It gains flying until end of turn.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Whenever equipped creature attacks, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Equip {W} ({W}: Attach to target creature you control. Equip only as a sorcery.)

Draw a card. You may put a land card from your hand onto the battlefield.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

{3}: Hypnotic Grifter connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Double strike

Whenever Illuminator Virtuoso becomes the target of a spell you control, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Iron Apprentice enters the battlefield with a +1/+1 counter on it.

When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Destroy target attacking creature.

This spell costs {2} less to cast if it targets a red creature.

Knockout Blow deals 4 damage to target attacking or blocking creature and you gain 2 life.

When Lagrella, the Magpie enters the battlefield, exile any number of other target creatures controlled by different players until Lagrella leaves the battlefield. When an exiled card enters the battlefield under your control this way, put two +1/+1 counters on it.

When Llanowar Visionary enters, draw a card.

{T}: Add {G}.

Flying

At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them.

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

Marble Diamond enters the battlefield tapped.

{T}: Add {W}.

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

Flying

Whenever you attack with one or more creatures with counters on them, draw a card.

Moss Diamond enters the battlefield tapped.

{T}: Add {G}.

Vigilance

{T}: You may put a basic land card from your hand onto the battlefield.

{T}: Return target basic land you control to its owner's hand.

Commander creatures you own have "When this creature enters the battlefield 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.)

Vigilance

Sacrifice Ollenbock Escort: Target creature you control with a +1/+1 counter on it gains lifelink and indestructible until end of turn.

When Oran-Rief Ooze enters the battlefield, put a +1/+1 counter on target creature you control.

Whenever Oran-Rief Ooze attacks, put a +1/+1 counter on each attacking creature with a +1/+1 counter on it.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.)

When Prophetic Prism enters the battlefield, draw a card.

{1}, {T}: Add one mana of any color.

Vigilance

Landfall -- Whenever a land enters the battlefield under your control, put a +1/+1 counter on Prowling Felidar.

Flash

When Psionic Snoop enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Magecraft -- Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Quandrix Pledgemage.

Target creature gets +2/+2 until end of turn. If it has a counter on it, it also gains flying and lifelink until end of turn.

Rhox Pummeler enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Rhox Pummeler has trample as long as it has a shield counter on it.

Rigo, Streetwise Mentor enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Whenever you attack a player or planeswalker with one or more creatures with power 1 or less, draw a card.

{T}: Add one mana of any color.

{T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.

{G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

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.

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.

As Scheming Fence enters the battlefield, you may choose a nonland permanent.

Activated abilities of the chosen permanent can't be activated.

Scheming Fence has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities.

Sea Gate enters the battlefield tapped.

As Sea Gate enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

{T}: Add {W} or {U}.

Enchant creature

As long as enchanted creature is attacking alone, it can't be blocked.

Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

{W}, {T}: You gain 2 life.

{U}, {T}: Draw a card, then discard a card.

When you cast this spell, copy it for each other instant and sorcery spell you've cast this turn. You may choose new targets for the copies.

Put a +1/+1 counter on target creature. It gains vigilance until end of turn.

As long as you've put one or more +1/+1 counters on a creature this turn, Sigardian Paladin has trample and lifelink.

{1}{G}{W}: Target creature you control with a +1/+1 counter on it gains trample and lifelink until end of turn.

Skybridge Towers enters tapped.

{T}: Add {W} or {U}.

{2}{W}{U}, {T}, Sacrifice Skybridge Towers: Draw a card.

Kicker {4} (You may pay an additional {4} as you cast this spell.)

Flying, defender

If Skyclave Sentinel was kicked, it enters the battlefield with two +1/+1 counters on it.

As long as Skyclave Sentinel has a +1/+1 counter on it, it can attack as though it didn't have defender.

Flying

At the beginning of combat on your turn, you may pay {G}{U}. When you do, put a +1/+1 counter on another target creature you control, and that creature gains flying until end of turn.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

When Soul of Emancipation enters the battlefield, destroy up to three other target nonland permanents. For each of those permanents, its controller creates a 3/3 white Angel creature token with flying.

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

Spara's Headquarters enters the battlefield tapped.

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

Put two +1/+1 counters on target creature you control. That creature can't be blocked this turn.

Flash

Flying

Swooping Protector enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Whenever a player draws their second card during their turn, you draw a card.

Whenever a player casts their second spell during their turn, you create a 2/2 white Knight creature token.