When Ageless Sentinels blocks, it becomes a Bird Giant, and it loses defender. (It's no longer a Wall. This effect lasts indefinitely.)
4 /
4
{4}{W}{W}
Akroma's Vengeance
Sorcery
Destroy all artifacts, creatures, and enchantments.
Cycling {3} ({3}, Discard this card: Draw a card.)
{5}{W}{W}{W}
Akroma, Angel of Wrath
Legendary Creature - Angel
Flying, first strike, vigilance, trample, haste, protection from black and from red
6 /
6
{3}{U}{U}{U}
Arcanis the Omnipotent
Legendary Creature - Wizard
{T}: Draw three cards.
{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.
3 /
4
{U}
Artificial Evolution
Instant
Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)
{1}{W}
Aura Extraction
Instant
Put target enchantment on top of its owner's library.
Cycling {2} ({2}, Discard this card: Draw a card.)
{1}{U}
Backslide
Instant
Turn target creature with a morph ability face down.
Cycling {U} ({U}, Discard this card: Draw a card.)
{2}{B}{B}
Bane of the Living
Creature - Insect
Morph {X}{B}{B} (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 Bane of the Living is turned face up, all creatures get -X/-X until end of turn.
4 /
3
{1}{W}
Battlefield Medic
Creature - Human Cleric
{T}: Prevent the next X damage that would be dealt to target creature this turn, where X is the number of Clerics on the battlefield.
1 /
1
{1}{U}{U}
Callous Oppressor
Creature - Cephalid
You may choose not to untap Callous Oppressor during your untap step.
As Callous Oppressor enters the battlefield, an opponent chooses a creature type.
{T}: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.
1 /
2
{3}{U}
Clone
Creature - Shapeshifter
You may have Clone enter the battlefield as a copy of any creature on the battlefield.
0 /
0
{1}{W}
Cloudreach Cavalry
Creature - Human Soldier
As long as you control a Bird, Cloudreach Cavalry gets +2/+2 and has flying.
1 /
1
{2}{U}
Complicate
Instant
Counter target spell unless its controller pays {3}.
Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)
When you cycle Complicate, you may counter target spell unless its controller pays {1}.
{4}{B}
Cruel Revival
Instant
Destroy target non-Zombie creature. It can't be regenerated. Return up to one target Zombie card from your graveyard to your hand.
{1}{B}
Crypt Sliver
Creature - Sliver
All Slivers have "{T}: Regenerate target Sliver."
1 /
1
{W}
Daru Mender
Creature - Human Cleric
Morph {W} (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 Daru Mender is turned face up, regenerate target creature.
1 /
1
{3}{W}
Daru Sanctifier
Creature - Human Cleric
Morph {1}{W} (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 Daru Sanctifier is turned face up, destroy target enchantment.
1 /
4
{W}{W}{W}{W}
Dawn Elemental
Creature - Elemental
Flying
Prevent all damage that would be dealt to Dawn Elemental.
3 /
3
{6}{B}{B}
Decree of Pain
Sorcery
Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.
Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.)
When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.
{1}{W}
Disciple of Grace
Creature - Human Cleric
Protection from black
Cycling {2} ({2}, Discard this card: Draw a card.)
1 /
2
{1}{B}
Disciple of Malice
Creature - Human Cleric
Protection from white
Cycling {2} ({2}, Discard this card: Draw a card.)
1 /
2
{2}{U}{U}
Discombobulate
Instant
Counter target spell. Look at the top four cards of your library, then put them back in any order.
{2}{B}
Doomed Necromancer
Creature - Human Cleric Mercenary
{B}, {T}, Sacrifice Doomed Necromancer: Return target creature card from your graveyard to the battlefield.
2 /
2
{2}
Dream Chisel
Artifact
Face-down creature spells you cast cost {1} less to cast.
{3}{W}
Essence Sliver
Creature - Sliver
Whenever a Sliver deals damage, its controller gains that much life.
3 /
3
{4}{W}{W}
Exalted Angel
Creature - Angel
Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph {2}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
4 /
5
{B}
Festering Goblin
Creature - Zombie Goblin
When Festering Goblin dies, target creature gets -1/-1 until end of turn.
1 /
1
{1}{U}{U}
Frozen Solid
Enchantment - Aura
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
When enchanted creature is dealt damage, destroy it.
{2}{U}{U}{U}
Future Sight
Enchantment
Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.
{1}{W}
Glory Seeker
Creature - Human Soldier
2 /
2
{2}{B}{B}
Graveborn Muse
Creature - Zombie Spirit
At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies you control.
3 /
3
{2}{B}{B}
Grinning Demon
Creature - Demon
At the beginning of your upkeep, you lose 2 life.
Morph {2}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
6 /
6
{1}{W}{W}
Gustcloak Harrier
Creature - Bird Soldier
Flying
Whenever Gustcloak Harrier becomes blocked, you may untap it and remove it from combat.
2 /
2
{4}{W}
Gustcloak Savior
Creature - Bird Soldier
Flying
Whenever a creature you control becomes blocked, you may untap that creature and remove it from combat.
3 /
4
{1}{B}{B}
Hollow Specter
Creature - Specter
Flying
Whenever Hollow Specter deals combat damage to a player, you may pay {X}. If you do, that player reveals X cards from their hand and you choose one of them. That player discards that card.
2 /
2
{U}
Imagecrafter
Creature - Human Wizard
{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.
1 /
1
{1}{U}
Information Dealer
Creature - Human Wizard
{T}: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.
1 /
1
{3}{W}{W}{W}
Jareth, Leonine Titan
Legendary Creature - Cat Giant
Whenever Jareth, Leonine Titan blocks, it gets +7/+7 until end of turn.
{W}: Jareth gains protection from the color of your choice until end of turn.
4 /
7
{4}{W}
Karona's Zealot
Creature - Human Cleric
Morph {3}{W}{W} (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 Karona's Zealot is turned face up, all damage that would be dealt to it this turn is dealt to target creature instead.
2 /
5
{1}{B}
Lingering Death
Enchantment - Aura
Enchant creature
At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature.
{1}{U}
Mage's Guile
Instant
Target creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
Cycling {U} ({U}, Discard this card: Draw a card.)
{1}{U}
Meddle
Instant
If target spell has only one target and that target is a creature, change that spell's target to another creature.
{1}{U}
Metamorphose
Instant
Put target permanent an opponent controls on top of its owner's library. That opponent may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.
{2}{U}
Mistform Dreamer
Creature - Illusion
Flying
{1}: Mistform Dreamer becomes the creature type of your choice until end of turn.
2 /
1
{5}{U}{U}
Mistform Skyreaver
Creature - Illusion
Flying
{1}: Mistform Skyreaver becomes the creature type of your choice until end of turn.
6 /
6
{1}{U}
Mistform Sliver
Creature - Illusion Sliver
All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."
1 /
1
{3}{U}
Mistform Ultimus
Legendary Creature - Illusion
Mistform Ultimus is every creature type (even if this card isn't on the battlefield).
3 /
3
{1}{W}
Pacifism
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block.
{W}
Planar Guide
Creature - Human Cleric
{3}{W}, Exile Planar Guide: Exile all creatures. At the beginning of the next end step, return those cards to the battlefield under their owners' control.
1 /
1
{W}
Plated Sliver
Creature - Sliver
All Sliver creatures get +0/+1.
1 /
1
{3}
Proteus Machine
Artifact Creature - Shapeshifter
Morph {0} (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 Proteus Machine is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.)
2 /
2
{3}{B}{B}
Prowling Pangolin
Creature - Pangolin Beast
When Prowling Pangolin enters the battlefield, any player may sacrifice two creatures. If a player does, sacrifice Prowling Pangolin.
6 /
5
{4}{U}{U}
Quicksilver Dragon
Creature - Dragon
Flying
{U}: If target spell has only one target and that target is Quicksilver Dragon, change that spell's target to another creature.
Morph {4}{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.)
5 /
5
{1}{U}{U}
Riptide Entrancer
Creature - Human Wizard
Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)
Morph {U}{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.)
1 /
1
{4}{U}
Rush of Knowledge
Sorcery
Draw cards equal to the highest mana value among permanents you control.
{5}{B}{B}{B}
Scion of Darkness
Creature - Avatar
Trample
Whenever Scion of Darkness deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.
Cycling {3} ({3}, Discard this card: Draw a card.)
6 /
6
{1}{W}
Shared Triumph
Enchantment
As Shared Triumph enters the battlefield, choose a creature type.
Creatures of the chosen type get +1/+1.
{3}{U}
Shifting Sliver
Creature - Sliver
Slivers can't be blocked except by Slivers.
2 /
2
{4}{B}{B}
Silent Specter
Creature - Specter
Flying
Whenever Silent Specter deals combat damage to a player, that player discards two cards.
Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
4 /
4
{W}{W}
Silver Knight
Creature - Human Knight
First strike, protection from red
2 /
2
{3}{B}{B}
Soul Collector
Creature - Vampire
Flying
Whenever a creature dealt damage by Soul Collector this turn dies, return that card to the battlefield under your control.
Morph {B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
3 /
4
{2}{B}
Spectral Sliver
Creature - Sliver Spirit
All Sliver creatures have "{2}: This creature gets +1/+1 until end of turn."
2 /
2
{U}{U}
Standardize
Instant
Choose a creature type other than Wall. Each creature becomes that type until end of turn.
{W}{W}
Stoic Champion
Creature - Human Soldier
Whenever a player cycles a card, Stoic Champion gets +2/+2 until end of turn.
2 /
2
{3}{B}
Toxin Sliver
Creature - Sliver
Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.
3 /
3
{U}
Trickery Charm
Instant
Choose one --
• Target creature gains flying until end of turn.
• Target creature becomes the creature type of your choice until end of turn.
• Look at the top four cards of your library, then put them back in any order.
{W}{W}
True Believer
Creature - Human Cleric
You have shroud. (You can't be the target of spells or abilities.)
2 /
2
{3}{B}{B}{B}
Visara the Dreadful
Legendary Creature - Gorgon
Flying
{T}: Destroy target creature. It can't be regenerated.
5 /
5
{U}{U}
Voidmage Prodigy
Creature - Human Wizard
{U}{U}, Sacrifice a Wizard: Counter target spell.
Morph {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.)
2 /
1
{W}{W}
Whipcorder
Creature - Human Soldier Rebel
{W}, {T}: Tap target creature.
Morph {W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
2 /
2
{W}{W}
White Knight
Creature - Human Knight
First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)
2 /
2
{1}{U}
Willbender
Creature - Human Wizard
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.
1 /
2
{3}{W}
Windborn Muse
Creature - Spirit
Flying
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
2 /
3
{1}{W}
Wipe Clean
Instant
Exile target enchantment.
Cycling {3} ({3}, Discard this card: Draw a card.)