Renowned Weaponsmith

Creature — Human Artificer (1/3)

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.
, : Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

Sea Scryer

Creature — Merfolk Wizard (1/1)

: Add .
, : Add .

Unblinking Observer

Creature — Homunculus (2/1)

: Add . Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.

Volshe Tideturner

Creature — Merfolk Wizard (1/3)

: Add . Spend this mana only to cast an instant or sorcery spell or a kicked spell.

Drowned Catacomb

Land

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
: Add or .

Sulfur Falls

Land

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.
: Add or .

Island // Island

(: Add .)

Island

(: Add .)

Glacial Fortress

Land

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
: Add or .

Hinterland Harbor

Land

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.
: Add or .

Arena of Glory

Land

Arena of Glory enters the battlefield tapped unless you control a Mountain.
: Add .
, , Exert Arena of Glory: Add . If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

Argoth, Sanctum of Nature

Land

Argoth, Sanctum of Nature enters the battlefield tapped unless you control a legendary green creature.
: Add .
, : Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery.
(Melds with Titania, Voice of Gaea.)

Barad-dûr

Legendary Land

Barad-dûr enters the battlefield tapped unless you control a legendary creature.
: Add .
, : Amass Orcs X. Activate only if a creature died this turn.

Blackcleave Cliffs

Land

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands.
: Add or .

Blooming Marsh

Land

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands.
: Add or .

Botanical Sanctum

Land

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands.
: Add or .

Canopy Vista

Land — Forest Plains

(: Add or .)
Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

Castle Ardenvale

Land

Castle Ardenvale enters the battlefield tapped unless you control a Plains.
: Add .
, : Create a 1/1 white Human creature token.

Castle Embereth

Land

Castle Embereth enters the battlefield tapped unless you control a Mountain.
: Add .
, : Creatures you control get +1/+0 until end of turn.

Castle Garenbrig

Land

Castle Garenbrig enters the battlefield tapped unless you control a Forest.
: Add .
, : Add six . Spend this mana only to cast creature spells or activate abilities of creatures.

Castle Locthwain

Land

Castle Locthwain enters the battlefield tapped unless you control a Swamp.
: Add .
, : Draw a card, then you lose life equal to the number of cards in your hand.