Seeker of Skybreak

Patriar's Seal

{T}: Add one mana of any color.
{1}, {T}: Untap target legendary creature you control.

Elemental Mastery

Enchant creature
Enchanted creature has "{T}: Create X 1/1 red Elemental creature tokens with haste, where X is this creature's power. Exile them at the beginning of the next end step."

Tromp the Domains

Domain — Until end of turn, creatures you control gain trample and get +1/+1 for each basic land type among lands you control.

Jaspera Sentinel

Reach
{T}, Tap an untapped creature you control: Add one mana of any color.

Dragon Throne of Tarkir

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."
Equip {3}

Wandering Goblins

Domain — {3}: Wandering Goblins gets +1/+0 until end of turn for each basic land type among lands you control.

Saryth, the Viper's Fang

Other tapped creatures you control have deathtouch.
Other untapped creatures you control have hexproof.
{1}, {T}: Untap another target creature or land you control.

Belt of Giant Strength

Equipped creature has base power and toughness 10/10.
Equip {10}. This ability costs {X} less to activate, where X is the power of the creature it targets.

Radha, Coalition Warlord

Domain — Whenever Radha, Coalition Warlord becomes tapped, another target creature you control gets +X/+X until end of turn, where X is the number of basic land types among lands you control.

Nishoba Brawler

Trample
Domain — Nishoba Brawler's power is equal to the number of basic land types among lands you control.

Radha's Firebrand

Whenever Radha's Firebrand attacks, target creature defending player controls with power less than Radha's Firebrand's power can't block this turn.
Domain — {5}{R}: Radha's Firebrand gets +2/+2 until end of turn. This ability costs {1} less to activate for each basic land type among lands you control. Activate only once each turn.

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Lush Growth

Enchant land
Enchanted land is a Mountain, Forest, and Plains.

Orcish Farmer

{T}: Target land becomes a Swamp until its controller's next untap step.

Quicksilver Fountain

At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it.
At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.

Tundra Kavu

{T}: Target land becomes a Plains or an Island until end of turn.

Keldon Flamesage

Enlist
Whenever Keldon Flamesage attacks, look at the top X cards of your library, where X is Keldon Flamesage's power. You may exile an instant or sorcery card with mana value X or less from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost.

Woodland Wanderer

Vigilance, trample
Converge — Woodland Wanderer enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Cultivator of Blades

Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)
Whenever Cultivator of Blades attacks, you may have other attacking creatures get +X/+X until end of turn, where X is Cultivator of Blades's power.

Topan Ascetic

Tap an untapped creature you control: Topan Ascetic gets +1/+1 until end of turn.

Thespian's Stage

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

Glinting Creeper

Converge — Glinting Creeper enters the battlefield with two +1/+1 counters on it for each color of mana spent to cast it.
Glinting Creeper can't be blocked by creatures with power 2 or less.

Springmantle Cleric

Springmantle Cleric enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Honor-Worn Shaku

{T}: Add {C}.
Tap an untapped legendary permanent you control: Untap Honor-Worn Shaku.

Orcish Squatters

Whenever Orcish Squatters attacks and isn't blocked, you may gain control of target land defending player controls for as long as you control Orcish Squatters. If you do, Orcish Squatters assigns no combat damage this turn.

Dryad of the Ilysian Grove

You may play an additional land on each of your turns.
Lands you control are every basic land type in addition to their other types.

Collapsing Borders

Domain — At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then Collapsing Borders deals 3 damage to that player.

Might of Alara

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Nylea's Presence

Enchant land
When Nylea's Presence enters the battlefield, draw a card.
Enchanted land is every basic land type in addition to its other types.

Veteran's Voice

Enchant creature you control
Tap enchanted creature: Target creature other than the creature tapped this way gets +2/+1 until end of turn. Activate only if enchanted creature is untapped.

Turf War

When Turf War enters the battlefield, for each player, put a contested counter on target land that player controls.
Whenever a creature deals combat damage to a player, if that player controls one or more lands with contested counters on them, that creature's controller gains control of one of those lands of their choice and untaps it.

Impelled Giant

Trample
Tap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Copperhorn Scout

Whenever Copperhorn Scout attacks, untap each other creature you control.

Infuse with the Elements

Converge — Put X +1/+1 counters on target creature, where X is the number of colors of mana spent to cast this spell. That creature gains trample until end of turn.

Balduvian Berserker

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
When Balduvian Berserker dies, it deals damage equal to its power to any target.

Telethopter

Tap an untapped creature you control: Telethopter gains flying until end of turn.

Power Armor

Domain — {3}, {T}: Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Civic Gardener

Whenever Civic Gardener attacks, untap target creature or land.

Gaea's Might

Briar Hydra

Trample
Domain — Whenever Briar Hydra deals combat damage to a player, put X +1/+1 counters on target creature you control, where X is the number of basic land types among lands you control.

Springleaf Drum

{T}, Tap an untapped creature you control: Add one mana of any color.

Coalition Warbrute

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
Trample

Prismatic Omen

Lands you control are every basic land type in addition to their other types.

Birchlore Rangers

Tap two untapped Elves you control: Add one mana of any color.
Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Navigator's Compass

When Navigator's Compass enters the battlefield, you gain 3 life.
{T}: Until end of turn, target land you control becomes the basic land type of your choice in addition to its other types.

Dungeon Descent

Dungeon Descent enters the battlefield tapped.
{T}: Add {C}.
{4}, {T}, Tap an untapped legendary creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Fyndhorn Brownie

Paragon of Modernity

Flying
{3}: Paragon of Modernity gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead.

Presence of Gond

Enchant creature
Enchanted creature has "{T}: Create a 1/1 green Elf Warrior creature token."

Slimy Kavu

{T}: Target land becomes a Swamp until end of turn.

Magnigoth Treefolk

Domain — For each basic land type among lands you control, Magnigoth Treefolk has landwalk of that type. (It can't be blocked as long as defending player controls a land of that type.)

Bramblesnap

Trample
Tap an untapped creature you control: Bramblesnap gets +1/+1 until end of turn.

Saruli Caretaker

Defender
{T}, Tap an untapped creature you control: Add one mana of any color.

Hollow Warrior

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat. (This cost is paid as attackers or blockers are declared.)

Rootweaver Druid

When Rootweaver Druid enters the battlefield, each opponent may search their library for up to three basic land cards. They each put one of those cards onto the battlefield tapped under your control and the rest onto the battlefield tapped under their control. Then each player who searched their library this way shuffles.

Manascape Refractor

Manascape Refractor enters the battlefield tapped.
Manascape Refractor has all activated abilities of all lands on the battlefield.
You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities.

Wild Beastmaster

Whenever Wild Beastmaster attacks, each other creature you control gets +X/+X until end of turn, where X is Wild Beastmaster's power.

Thousand-Year Elixir

You may activate abilities of creatures you control as though those creatures had haste.
{1}, {T}: Untap target creature.

Loam Dryad

Llanowar Behemoth

Tap an untapped creature you control: Llanowar Behemoth gets +1/+1 until end of turn.

Manaforce Mace

Domain — Equipped creature gets +1/+1 for each basic land type among lands you control.
Equip {3}

Puppet Strings

{2}, {T}: You may tap or untap target creature.

Jandor's Saddlebags

Rabble-Rouser

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
{R}, {T}: Attacking creatures get +X/+0 until end of turn, where X is Rabble-Rouser's power.

Vesuva

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Llanowar Greenwidow

Reach, trample
Domain — {7}{G}: Return Llanowar Greenwidow from your graveyard to the battlefield tapped. It gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else." This ability costs {1} less to activate for each basic land type among lands you control.

Crystalline Crawler

Converge — Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.
{T}: Put a +1/+1 counter on Crystalline Crawler.

Elvish Scout

{G}, {T}: Untap target attacking creature you control. Prevent all combat damage that would be dealt to and dealt by it this turn.