(Gain the next level as a sorcery to add its ability.)
When this Class enters, mill two cards, draw two cards, then discard two cards.
: Level 2
When this Class becomes level 2, return up to two target artifact cards from your graveyard to your hand.
: Level 3
At the beginning of combat on your turn, put three +1/+1 counters on target artifact you control. If it isn't a creature, it becomes a 0/0 Robot creature in addition to its other types.

Enchant creature
You control enchanted creature.
At the beginning of your end step, if enchanted creature's power is 4 or greater, sacrifice this Aura.

Enchant artifact creature
You control enchanted artifact creature.

Whenever you cast an outlaw spell, copy that spell. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Copies of permanent spells become tokens.)

: Counter target red spell.

Enchant creature
Enchanted creature has flying.
Cycling
When a creature with mana value 6 or greater enters, you may return this card from your graveyard to the battlefield attached to that creature.

Whenever you cycle or discard a card, you may pay . If you do, create a 2/2 blue Drake creature token with flying.

Enchant creature
Enchanted creature gets +3/+3 and has flying.
Umbra armor

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
: Shuffle enchanted creature into its owner's library.

Enchant creature
: Enchanted creature becomes the color or colors of your choice. Activate only once each turn.

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Enchant permanent
You can't choose an untapped permanent as this spell's target as you cast it.
You control enchanted permanent.

Creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.

: Return target white or black creature card from your graveyard to the battlefield. That creature gains "Cumulative upkeep ." If the creature would leave the battlefield, exile it instead of putting it anywhere else.

Flash
When this enchantment enters, draw a card.
Creatures lose all abilities.
At the beginning of the end step, sacrifice this enchantment.

Whenever you cast a blue spell, target player mills two cards.

When Duelists Convocation International enters, choose a 10-digit number at random and write it down.
Whenever you play a land or cast a spell, if it shares a mana value with one or more uncrossed digits in the chosen number, cross out one of those digits and draw a card. Then if all ten digits are crossed out, you win the game.

Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."

When this enchantment enters, exile the top five cards of your library face down.
At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with this enchantment into your hand.
At the beginning of your end step, discard a card.
When you lose control of this enchantment, put all cards exiled with this enchantment into their owner's graveyard.

Enchant creature
You control enchanted creature.
Enchanted creature gets -3/-0 and loses all abilities.

Enchant creature
Enchanted creature gets -6/-0.
When enchanted creature blocks, destroy it.

Flash
Enchant creature
Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1.

Flash
Enchant creature
Enchanted creature gets +1/+1.
Umbra armor

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

Nonland permanents don't untap during their controllers' untap steps.
At the beginning of your upkeep, you lose 2 life.

At the beginning of your end step, if you haven't cast a spell from your hand this turn and this enchantment isn't a creature, it becomes a 3/3 Spirit creature with flying in addition to its other types.
: Surveil 1.

Flash
Enchant red or green creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Enchant creature
When this Aura enters, tap enchanted creature and remove all counters from it.
Enchanted creature loses all abilities and doesn't untap during its controller's untap step.

Enchant creature or enchantment
Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

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