Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

Flying

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Blossoming Sands enters the battlefield tapped.

When Blossoming Sands enters the battlefield, you gain 1 life.

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

Destroy all creatures with toughness 4 or greater.

Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying.

Escalate--Tap an untapped creature you control. (Pay this cost for each mode chosen beyond the first.)

Choose one or more --

• Destroy target creature with power 4 or greater.

• Destroy target enchantment.

• Put a +1/+1 counter on each creature target player controls.

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

When Court of Grace enters the battlefield, you become the monarch.

At the beginning of your upkeep, create a 1/1 white Spirit creature token with flying. If you're the monarch, create a 4/4 white Angel creature token with flying instead.

Defender

{T}: Creatures you control gain haste 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.

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game.

Create a 4/4 white Angel creature token with flying.

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If you control a creature with power 4 or greater, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

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

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

Destroy all creatures and planeswalkers. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles. Put two +1/+1 counters on up to one target artifact or creature.

Defender, flying

Whenever Flumph is dealt damage, you and target opponent each draw a card.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Exile target card from a graveyard. Its owner creates a 1/1 white Spirit creature token with flying.

+1: Create a 3/3 green Beast creature token.

-3: Draw cards equal to the greatest power among creatures you control.

-6: Create a 6/6 green Wurm creature token for each land you control.

{T}: Add {G}. When you spend this mana to cast a spell with mana value 6 or greater, draw a card.

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

At the beginning of combat on your turn, choose one --

• Creatures you control get +1/+1 and gain trample until end of turn.

• Target land gains "{T}: Add {G}{G}{G}" until end of turn.

• Draw a card if you control a creature with power 3 or greater.

• You gain 3 life.

Graypelt Refuge enters the battlefield tapped.

When Graypelt Refuge enters the battlefield, you gain 1 life.

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

Flying

When Hanged Executioner enters the battlefield, create a 1/1 white Spirit creature token with flying.

{3}{W}, Exile Hanged Executioner: Exile target creature.

Draw three cards.

As an additional cost to cast this spell, sacrifice a land.

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

Equipped creature has vigilance, trample, and haste.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever a creature an opponent controls dies, you may pay {1}. If you do, create a 1/1 white Spirit creature token with flying.

Equipped creature gets +2/+1.

As long as equipped creature is legendary, it has trample and haste.

Equip {2}

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Destroy all nontoken creatures.

Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Zendikar enters the battlefield, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Vigilance, haste

As long as Awakened Skyclave is on the battlefield, it's a land in addition to its other types.

{T}: Add one mana of any color.

Flying

Whenever Kangee's Lieutenant attacks, attacking creatures with flying get +1/+1 until end of turn.

Encore {5}{W} ({5}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.)

When you cycle Krosan Tusker, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

Krosan Verge enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- You and target opponent each draw two cards.

II -- Create a 1/1 white Bird creature token with flying.

III -- Put a +1/+1 counter on each of up to two target creatures.

Trample

Lieutenant -- At the beginning of combat on your turn, if you control your commander, put a +1/+1 counter on each creature you control.

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.)

Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Enchant land

When New Horizons enters the battlefield, put a +1/+1 counter on target creature you control.

Enchanted land has "{T}: Add two mana of any one color."

Enchant creature

Enchanted creature has "Whenever a creature enters the battlefield under your control, this creature gets +1/+1 until end of turn."

When Nurturing Presence enters the battlefield, create a 1/1 white Spirit creature token with flying.

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.

Equip {3}

Enchant creature

Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Nylea.

When you sacrifice Ordeal of Nylea, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flying

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

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

Radiant Grove enters the battlefield tapped.

Flying

Tap another untapped creature you control with flying: Radiant, Serra Archangel gains protection from the color of your choice until end of turn.

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

Parley -- Each player reveals the top card of their library. For each nonland card revealed this way, you create a 1/1 white Spirit creature token with flying. Then each player draws a card.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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

Scattered Groves enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

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}.

Draw a card for each creature you control.

Ferocious -- You gain 4 life for each creature you control with power 4 or greater.

Sigil of Distinction enters the battlefield with X charge counters on it.

Equipped creature gets +1/+1 for each charge counter on Sigil of Distinction.

Equip--Remove a charge counter from Sigil of Distinction.

Flying

When Skyscanner enters the battlefield, draw a card.

Whenever a nontoken creature enters the battlefield under your control, you may pay {W}. If you do, create a 1/1 white Spirit creature token with flying.

{1}{W}, Sacrifice a Spirit: Target non-Spirit creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Imprint -- When Strata Scythe enters the battlefield, search your library for a land card, exile it, then shuffle.

Equipped creature gets +1/+1 for each land on the battlefield with the same name as the exiled card.

Equip {3}

Equipped creature gets +1/+1 and has haste.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

{1}, {T}: Add {G}{W}.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.

Equip {3}

When Teyo, Geometric Tactician enters the battlefield, create a 0/4 white Wall creature token with defender and flying.

+1: You and target opponent each draw a card.

-2: Choose left or right. Until your next turn, each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

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

Enchant creature

Enchanted creature gets +1/+1.

When enchanted creature leaves the battlefield, create a 1/1 white Spirit creature token with flying.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Windbrisk Heights enters the battlefield tapped.

{T}: Add {W}.

{W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.

Flying

Raid -- When Wingmate Roc enters the battlefield, if you attacked this turn, create a 3/4 white Bird creature token with flying.

Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.

Flying

When Wispmare enters the battlefield, destroy target enchantment.

Evoke {W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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

+1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance, hexproof, and haste until your next turn. It's still a land.

-2: Mill three cards. You may put a permanent card from among the milled cards into your hand.

-7: You get an emblem with "You may play lands and cast permanent spells from your graveyard."

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

{2}, Sacrifice Yavimaya Elder: Draw a card.

Choose one --

• Journey On -- Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

• Make Camp -- Return target permanent card from your graveyard to your hand.