Arcane Sanctum enters the battlefield tapped.

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

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

{T}: Draw a card.

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

{T}: Destroy target creature. It can't be regenerated.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

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

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

{W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

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

{W}, {T}: Tap target creature.

Choose one --

• Tap two target creatures.

• Creatures don't untap during target player's next untap step.

Entwine {1} (Choose both if you pay the entwine cost.)

Flying

When Cavern Harpy enters the battlefield, return a blue or black creature you control to its owner's hand.

Pay 1 life: Return Cavern Harpy to its owner's hand.

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

{3}: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

{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.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Enchant creature

You control enchanted creature.

Whenever another white creature enters the battlefield under your control, tap target creature an opponent controls.

Indestructible

{T}: Add one mana of any color.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{B}.

{1}{U}{B}: Exile target creature card from a graveyard. Dimir Doppelganger becomes a copy of that card, except it has this ability.

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

When Dream Stalker enters the battlefield, return a permanent you control to its owner's hand.

When Dromar's Cavern enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

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

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.

Tap all creatures.

You may have Evil Twin enter the battlefield as a copy of any creature on the battlefield, except it has "{U}{B}, {T}: Destroy target creature with the same name as this creature."

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

Draw two cards, then discard two cards. Untap up to three lands.

If a creature an opponent controls would die, exile it instead.

At the beginning of your upkeep, put all creature cards exiled with Gisa, Glorious Resurrector onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Blue creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

When Kor Hookmaster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Flying

Will of the council -- When Magister of Worth enters the battlefield, starting with you, each player votes for grace or condemnation. If grace gets more votes, each player returns each creature card from their graveyard to the battlefield. If condemnation gets more votes or the vote is tied, destroy all creatures other than Magister of Worth.

Gain control of X target creatures and/or planeswalkers.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

When Merciless Executioner enters the battlefield, each player sacrifices a creature.

Merieke Ri Berit doesn't untap during your untap step.

{T}: Gain control of target creature for as long as you control Merieke Ri Berit. When Merieke Ri Berit leaves the battlefield or becomes untapped, destroy that creature. It can't be regenerated.

Enchant creature

Merseine enters the battlefield with three net counters on it.

Enchanted creature doesn't untap during its controller's untap step if Merseine has a net counter on it.

Pay enchanted creature's mana cost: Remove a net counter from Merseine. Only the controller of the enchanted creature may activate this ability.

Whenever a nontoken creature enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

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.

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

{T}: Untap target blue creature.

{T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared.

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

Flying

{T}: Add one mana of any color.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{B}.

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

{W}{B}, {T}, Sacrifice Orzhov Cluestone: Draw a card.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{1}, {T}: Return target creature you control and each Aura attached to it to their owners' hands. Activate only during your turn.

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

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

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Untap target creature.

Draw a card.

Put up to three target creature cards from your graveyard on top of your library.

Vigilance

Robaran Mercenaries has all activated abilities of all legendary creatures you control.

{T}: Destroy target tapped creature.

Tap target creature. It doesn't untap during its controller's next untap step.

Awaken 3--{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.)

Enchanted land is an Island.

When you control no Islands, sacrifice Seasinger.

You may choose not to untap Seasinger during your untap step.

{T}: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped.

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

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

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

You gain life equal to the sacrificed creature's toughness. Destroy target creature an opponent controls.

Flying

When Shrieking Drake enters the battlefield, return a creature you control to its owner's hand.

Flying

Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)

When Siren of the Fanged Coast enters the battlefield, if tribute wasn't paid, gain control of target creature.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Flying

When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.

Flying

White spells and black spells you cast cost {1} less to cast.

At the beginning of each player's upkeep, that player returns a creature they control to its owner's hand.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

Equip {1}

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

{1}, Sacrifice another creature: The Ever-Changing 'Dane becomes a copy of the sacrificed creature, except it has this ability.

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

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

Landfall -- Whenever a land enters the battlefield under your control, you may untap Tideforce Elemental.

Return a creature you control to its owner's hand, then destroy all creatures.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever Tomebound Lich enters the battlefield or deals combat damage to a player, draw a card, then discard a card.

{T}: Untap another target permanent.

{T}: Untap another target permanent.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

When you cycle Vizier of Tumbling Sands, untap target permanent.

Flash

When Whitemane Lion enters the battlefield, return a creature you control to its owner's hand.