Target creature gains hexproof until end of turn. Teach it vigilance.

Decayed
{2}{U}, Exile Expendable Researcher from your graveyard: Return target instant or sorcery card from your graveyard to your hand. Activate only as a sorcery.

You may look at the top card of your library any time.
Approval — Once during each of your turns, you may cast a spell with mana value less than or equal to the number of colors among permanents you control from your hand or the top of your library without paying its mana cost.

Vigilance
When Informed Voter enters, make a pledge.

When Invader of Privacy enters, surveil 1, then draw a card.

Defender
Approval — Political Prisoner can attack as though it didn't have defender as long as the number of colors among permanents you control is greater than the number of colors among permanents defending player controls.

Exchange control of target spell or creature you control and target spell or creature an opponent controls. Controllers of spells exchanged this way may choose new targets for them.

When Research Grant enters, look at the top three cards of your library. Put one into your hand and the rest into your graveyard.
You've cast two or more spells this turn.
You've drawn two or more cards this turn.

Whenever you cast a spell, you may pay {X}, where X is that spell's mana value. If you do, copy it. You may choose new targets for the copy. Do this only once each turn.

Draw three cards, then discard a card. If you controlled a white permanent as you cast this spell, tap up to one target nonland permanent.

Flash
Flying
When Sleeper Strix enters, tap up to one target creature.
You may look at an additional card each time you surveil.

Enchant creature
When Stasis Chamber enters, if you control a creature with vigilance, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Sterling enters under the control of an opponent of your choice.
At the beginning of your upkeep, surveil 1.
Play with the top card of your library revealed.
Your opponents may play lands and cast spells from the top of your library during their turns, and they may spend mana of any type to cast spells this way.

Draw a card if a creature you control has flying. Do the same for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Creatures you control can't be blocked unless defending player pays {1} for each creature blocking it.
Creatures can't attack you unless their controller pays {1} for each creature they control that's attacking you.

Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, you may draw a card.
{4}{U}: Tap target creature without flying.

Approval — Counter target noncreature spell unless its controller pays {X}, where X is the number of colors among permanents you control.

Flying
Whenever Arsenal Mentor attacks, teach target attacking creature with lesser power flying.

When Ascend to Power enters, you may sacrifice a creature, discard a card, or pay 3 life. If you do, draw two cards.
You've sacrificed a nonland permanent this turn.
You've discarded a card this turn.
You've lost life this turn.

Your maximum hand size is zero.
Pay 1 life: Draw a card. Activate only as a sorcery.

Flying
When Blue Collar Bloodsucker enters, you gain 2 life. Then if you control a red permanent, Blue Collar Bloodsucker deals 2 damage to each opponent.

At the beginning of your end step, if a creature card or creature token was put into your graveyard from anywhere this turn, surveil 1.

Destroy target creature if it has power 3 or less or if you control a creature with flying.

When Codename: Ant dies, you may search your library for a card named Codename: Ant, reveal it, put it into your hand, then shuffle.

Whenever a creature you control deals combat damage to a player, you may sacrifice it. If you do, draw a card. Otherwise, surveil 1.