Vigilance

When Arbiter of Knollridge enters the battlefield, each player's life total becomes the highest life total among all players.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

Each creature you control assigns combat damage equal to its toughness rather than its power.

{G}: Target creature with defender can attack this turn as though it didn't have defender.

{2}{G}: Creatures you control get +0/+1 until end of turn.

Flying

Creatures can't attack you.

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

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

Canopy Vista enters tapped unless you control two or more basic lands.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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

Cinder Glade enters tapped unless you control two or more basic lands.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

Clifftop Retreat enters tapped unless you control a Mountain or a Plains.

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

Join forces -- Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

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

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

Sacrifice Commander's Sphere: Draw a card.

Play with the top card of your library revealed.

You may play lands from the top of your library.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

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.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

{T}: Add one mana of any color.

Flash

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Flash

At the beginning of each player's draw step, that player draws an additional card.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

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

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

{T}: Add one mana of any color.

Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

({T}: Add {G}.)

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

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

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Glacial Fortress enters tapped unless you control a Plains or an Island.

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

{W}{U}, {T}: Put a bribery counter on target creature you don't control. Its controller draws a card.

Creatures with bribery counters on them can't attack or block.

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Hinterland Harbor enters tapped unless you control a Forest or an Island.

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

{T}: Add {C}.

{T}: Each player gains control of all creatures they own.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

({T}: Add {U}.)

({T}: Add {U}.)

Jungle Shrine enters the battlefield tapped.

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

At the beginning of each player's draw step, that player draws an additional card.

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

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.

Indestructible

As long as your devotion to green and blue is less than seven, Kruphix isn't a creature.

You have no maximum hand size.

If you would lose unspent mana, that mana becomes colorless instead.

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

Join forces -- Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

({T}: Add {R}.)

({T}: Add {R}.)

Mystic Monastery enters tapped.

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

At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.

({T}: Add {W}.)

({T}: Add {W}.)

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

Prairie Stream enters tapped unless you control two or more basic lands.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{T}: Add one mana of any type that a land you control could produce.

At the beginning of each player's draw step, that player draws an additional card.

Each player may play an additional land on each of their turns.

Rootbound Crag enters 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.

Seaside Citadel enters tapped.

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

Flash

When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.

Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.

Parley -- {T}: Each player reveals the top card of their library. For each nonland card revealed this way, add {G} and you gain 1 life. Then each player draws a card.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Creatures your opponents control without flying or reach can't block creatures with power 2 or less.

Partner (You can have two commanders if both have partner.)

Deathtouch

When Skullwinder enters the battlefield, return target card from your graveyard to your hand, then choose an opponent. That player returns a card from their graveyard to their hand.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

({T}: Add {U} or {R}.)

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({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.

Sulfur Falls enters tapped unless you control an Island or a Mountain.

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

Sunpetal Grove enters tapped unless you control a Forest or a Plains.

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

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

{T}: Each player draws a card.

({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.

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

Tempting offer -- Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

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

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

When Veteran Explorer dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.

Flying

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.