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.

Trample
Whenever Aspiring Anarchist attacks, you may have its base power and toughness become equal to the power and toughness of another target attacking creature until end of turn.

Haste
When Assault Engine enters, gain control of target creature and untap it. Sacrifice it at the beginning of the next end step.
Crew 2

Creatures you control get +1/+0.
Creatures you don't control get -1/-0.

As an additional cost to cast this spell, remove any number of counters from among creatures you control. This spell costs {1} less to cast for each counter removed this way.
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

When Ballot Registrar enters, make a pledge.
Activated abilities of nonland permanents you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{2}, Sacrifice a creature: Teach target creature menace.

Bioengineered Opus enters with three +1/+1 counters, a lifelink counter, and a vigilance counter on it.
When Bioengineered Opus dies, for each creature you control, you may move a counter from Bioengineered Opus onto that creature.

Creatures you control have “{T}: Create a Treasure token.”
{W}{U}{B}{R}{G}, Sacrifice Black-Tie Gala: Draw two cards.

Return target nonland permanent to its owner's hand. Then that player reveals their hand. You choose a nonland card from it. That player discards that card.

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.

Defender
{3}{W}, {T}, Sacrifice Border Junction: Create three 1/1 colorless Soldier creature tokens. Activate only as a sorcery.

Bouncers-for-Hire can't attack unless you control a red permanent.

Lifelink
Approval — {5}, {T}: Tap target creature. This ability costs {X} less to activate, where X is the number of colors among permanents you control.

Target creature gets -X/-0 until end of turn, where X is the number of cards in your graveyard.
Draw a card.

Draw two cards. If {W} was spent to cast this spell, you gain 2 life. If {B} was spent to cast this spell, each opponent loses 2 life.

You can't cast noncreature spells.
Creature spells you cast cost {X} less to cast, where X is the greatest power among creatures you control.

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.

Vigilance
Whenever Bureau Mentor attacks, teach target attacking creature with lesser power vigilance. Untap that creature.

Bustling Motorway enters tapped.
{T}: Add {U} or {R}.
{4}: Make a pledge. Activate only as a sorcery.

Approval — When Cabinet Recruiter enters, you may search your library for a creature card with mana value less than or equal to the number of colors among permanents you control, reveal it, put it into your hand, then shuffle.

Whenever you attack, draw a card for each attacking creature with power 4 or greater, then put a +1/+1 counter on each attacking creature with power 3 or less.

Sacrifice a Treasure: Capital Maglev gains your choice of haste or trample until end of turn.
Crew 2

Vigilance
Once each turn, if you would put one or more counters on a creature you control, you may put that many of each of those kinds of counters on each creature you control instead.