{U}, {T}: Add {C}{C}{C}.

{T}: Draw three cards.

{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

{T}: Draw a card.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Enchant creature

When Claustrophobia enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

Counter target spell that targets a creature.

Draw a card.

Coral Atoll enters the battlefield tapped.

When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.

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

Counter target spell.

Enchant player

Whenever a player attacks enchanted player with one or more creatures, that attacking player may tap or untap target permanent of their choice.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Flash (You may cast this spell any time you could cast an instant.)

When Deceiver Exarch enters the battlefield, choose one --

• Untap target permanent you control.

• Tap target permanent an opponent controls.

Deep-Sea Kraken can't be blocked.

Suspend 9--{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever an opponent casts a spell, if Deep-Sea Kraken is suspended, remove a time counter from it.

Devoid (This card has no color.)

Whenever a creature you control deals combat damage to a player, you may draw a card.

{3}{C}: Target creature can't be blocked this turn. ({C} represents colorless mana.)

Flying

When Dungeon Geists enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Dungeon Geists.

Enchant artifact or creature

Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Return all creatures to their owners' hands.

{T}: You may tap or untap another target permanent.

Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Draw a card for each Island you control.

Enchant creature

Enchanted creature has "Whenever this creature attacks, you may tap or untap target permanent."

You may choose not to untap Giant Oyster during your untap step.

{T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.

Equip {2}

Defender, flying

Prevent all combat damage that would be dealt to Guard Gomazoa.

Flying

Landfall -- Whenever a land enters the battlefield under your control, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.

Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

Equipped creature gets +3/+2.

Whenever a legendary creature enters the battlefield under your control, you may attach Hero's Blade to it.

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

{1}, {T}: Tap target artifact, creature, or land.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

When Kederekt Leviathan enters the battlefield, return all other nonland permanents to their owners' hands.

Unearth {6}{U} ({6}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

Draw X cards.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

At the beginning of your upkeep, put a lore counter on Mind Unbound, then draw a card for each lore counter on Mind Unbound.

Flash (You may cast this spell any time you could cast an instant.)

When Mizzium Meddler enters the battlefield, you may change a target of target spell or ability to Mizzium Meddler.

Defender

When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Counter target noncreature spell.

Target player draws seven cards.

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

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

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Remote Isle enters the battlefield tapped.

{T}: Add {U}.

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

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• You may tap or untap target creature.

• Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Draw cards equal to the highest mana value among permanents you control.

When Scourge of Fleets enters the battlefield, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

{T}: Add {U}.

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

Hexproof

Lieutenant -- As long as you control your commander, Stormsurge Kraken gets +2/+2 and has "Whenever Stormsurge Kraken becomes blocked, you may draw two cards."

Target player draws X cards.

Counter target noncreature spell unless its controller pays {1}.

Ferocious -- If you control a creature with power 4 or greater, counter that spell instead.

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

Equip {1}

{T}: Add {C}{C}. Activate only if you control five or more lands.

Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Whenever Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card.

Enchanted creature gets +3/+3.

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

Tromokratis has hexproof unless it's attacking or blocking.

Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

Scry X, where X is the highest mana value among permanents you control, then draw three cards.

{T}: Add {C}.

{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

Defender

Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Morph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Willbender is turned face up, change the target of target spell or ability with a single target.

Worn Powerstone enters the battlefield tapped.

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