You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Enchant creature card in a graveyard

When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

Each player can't cast more than one spell each turn.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

Enchant creature

Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)

Indestructible

As long as your devotion to white and black is less than seven, Athreos isn't a creature.

Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

Creatures your opponents control enter the battlefield tapped.

Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

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

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield.

Counter target spell.

Enchant Mountain you control

When Chained to the Rocks enters the battlefield, exile target creature an opponent controls until Chained to the Rocks leaves the battlefield. (That creature returns under its owner's control.)

Cast this spell only if there are three or more players in the game.

Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.

Flash

Enchant creature

As Cho-Manno's Blessing enters the battlefield, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Cho-Manno's Blessing.

Enchant creature

Enchanted creature can't be blocked.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Counter target spell.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Enchant creature with another Aura attached to it

Enchanted creature gets +3/+3 and has first strike, vigilance, and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, remove a time counter from that card. When the last is removed, the player plays it without paying its mana cost. If it's a creature, it has haste.)

Search your library for a card, put that card into your hand, then shuffle.

Flash

At the beginning of each player's draw step, that player draws an additional card.

Flying

When Diluvian Primordial enters the battlefield, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

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

Enchant creature

Shroud (A permanent with shroud can't be the target of spells or abilities.)

Enchanted creature has shroud.

Each player can't cast more than one spell each turn.

Enchant artifact or creature

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

{4}: Return target creature card from a graveyard to its owner's hand. Any player may activate this ability but only as a sorcery.

Enchant creature

Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Return all creatures to their owners' hands.

Players play with the top card of their libraries revealed.

Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.

Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Enchant creature

When enchanted creature dies, return that card to the battlefield under its owner's control. Return Gift of Immortality to the battlefield attached to that creature at the beginning of the next end step.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

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

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

Spells your opponents cast cost {1} more to cast.

Other enchantments you control have shroud. (A permanent with shroud can't be the target of spells or abilities.)

Enchanted creatures you control have shroud.

{1}{W}{U}, {T}: Return target artifact or enchantment card from your graveyard to your hand.

Constellation -- Whenever Harvestguard Alseids or another enchantment enters the battlefield under your control, prevent all damage that would be dealt to target creature this turn.

{B}{B}{B}, {T}: Destroy target land. If that land was nonbasic, untap Helldozer.

Cast this spell only during the declare blockers step on an opponent's turn.

Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

When an opponent casts a spell, sacrifice Lunar Force and counter that spell.

Flying

At the beginning of your upkeep, each opponent draws a card.

Whenever you cast an enchantment spell, you may draw a card.

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

You draw two cards and you lose 2 life.

At the beginning of each player's upkeep, that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent. The first player may return a creature card from their graveyard to their hand.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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

As Phyrexian Revoker enters the battlefield, choose a nonland card name.

Activated abilities of sources with the chosen name can't be activated.

Search target opponent's library for a card and exile it face down. Then that player shuffles. You may look at and play that card for as long as it remains exiled.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

Target player draws two cards and loses 2 life.

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

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

Each player can't draw more than one card each turn.

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Exile target creature. Its controller gains life equal to its power.

Destroy all creatures that aren't enchanted. They can't be regenerated.

Flying

Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.