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.

Whenever another permanent enters the battlefield under your control, each opponent mills a card.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Reach Whenever another permanent enters the battlefield under your control, if it wasn't put onto the battlefield with this ability, you may put a permanent card with equal or lesser mana value from your hand onto the battlefield. Partner (You can have two commanders if both have partner.)

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add {G}. Channel — {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

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

({T}: Add {R} or {G}.) Cinder Glade 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}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

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

({T}: Add {G}.)

{T}: Add {C}. {T}: Add {R} or {G}. Each opponent gains 1 life.

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

Guildless Commons enters the battlefield tapped. When Guildless Commons enters the battlefield, return a land you control to its owner's hand. {T}: Add {C}{C}.

{T}: Add {C}. {1}, {T}, Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}, Sacrifice Naya Panorama: Search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

When Riveteers Overlook enters the battlefield, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

({T}: Add {R} or {G}.) Sheltered Thicket enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Spire Garden enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {G}.

({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.

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

Landfall — Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

Landfall — Whenever a land enters the battlefield under your control, Spitfire Lagac deals 1 damage to each opponent.

Spells you control can't be countered. At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

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

Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control. Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

You may play two additional lands on each of your turns.

Sacrifice Catalyst Elemental: Add {R}{R}.

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent. +1: Add {R}{R}. −3: Chandra, Torch of Defiance deals 4 damage to target creature. −7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Destroy target artifact, enchantment, or land. If a land was destroyed this way, its controller may search their library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Otherwise, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Flashback {3}{R}{G}

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.

You may play an additional land on each of your turns.

As Frontier Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of each of your main phases, add {G}{G}. • Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.

{T}, Sacrifice Generator Servant: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

Each spell you cast that's red or green costs {1} less to cast.

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

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.

Landfall — Whenever a land enters the battlefield under your control, add one mana of any color.

You may play an additional land on each of your turns. {R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle. You gain 7 life.

Landfall — Whenever a land enters the battlefield under your control, add one mana of any color. Then if this is the second time this ability has resolved this turn, reveal cards from the top of your library until you reveal an Elf or Elemental card. Put that card into your hand and the rest on the bottom of your library in a random order.

You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.

You may play an additional land on each of your turns. Play with the top card of your library revealed. You may play lands from the top of your library.

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

Lands you control and land cards in your library are basic.

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

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

Choose two — • Exile target player's graveyard. You gain 1 life for each card exiled this way. • Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. • Create two 2/2 green Bear creature tokens. • Put two +1/+1 counters on each creature you control.

Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

Reach You may play lands from your graveyard. If a land entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

When Greenwarden of Murasa enters the battlefield, you may return target card from your graveyard to your hand. When Greenwarden of Murasa dies, you may exile it. If you do, return target card from your graveyard to your hand.

Return all cards from your graveyard to your hand. Exile Praetor's Counsel. You have no maximum hand size for the rest of the game.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Destroy target artifact or enchantment. 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.)

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

({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.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Delirium — If there are four or more card types among cards in your graveyard, instead search your library for a creature or land card, reveal it, put it into your hand, then shuffle.